* HAPPY *

AAH to exclaim in amazement, joy, or surprise [v -ED, -ING, -S]
FUN providing enjoyment [adj FUNNER, FUNNEST] / to act playfully [v FUNNED, FUNNING, FUNS]
GAY {merry=adj} [adj GAYER, GAYEST] / a homosexual [n GAYS]
JOY to {rejoice=v} [v -ED, -ING, -S]
OOH to exclaim in amazement, joy, or surprise [v -ED, -ING, -S]
YOK a boisterous laugh [n -S]
YUK to laugh loudly [v YUKKED, YUKKING, YUKS]
YUM used to express pleasurable satisfaction [interj]

BASK to lie in a pleasant warmth [v -ED, -ING, -S]
FAIN {glad=adj} [adj FAINER, FAINEST]
GLAD feeling pleasure [adj GLADDER, GLADDEST] / to {gladden=v} [v GLADDED, GLADDING, GLADS]
GLEE an unaccompanied song [n -S]
GRIN to smile broadly [v GRINNED, GRINNING, GRINS]
LARK to behave playfully [v -ED, -ING, -S] : LARKY
LIKE possessing the same or almost the same characteristics [adj LIKER, LIKEST] / to find pleasant [v LIKED, LIKING, LIKES]
NICE pleasing to the senses [adj NICER, NICEST] : NICELY [adv]
PEAN {paean=n} [n -S]
PLAY to engage in amusement or sport [v -ED, -ING, -S] : PLAYABLE [adj]
ROMP to play boisterously [v -ED, -ING, -S]
WALY something visually pleasing [n WALIES]
WHEE used to express delight [interj]
YOCK to laugh boisterously [v -ED, -ING, -S]

AMUSE to occupy pleasingly [v AMUSED, AMUSING, AMUSES] : AMUSABLE [adj], AMUSEDLY [adv]
BLISS to experience or produce ecstasy [v -ED, -ING, -ES] : BLISSFUL
CADGY {cheerful=adj} [adj]
CANTY {cheerful=adj} [adj]
CHEER to applaud with shouts of approval [v -ED, -ING, -S] : CHEERER(s)
CHIRK {cheerful=adj} [adj CHIRKER, CHIRKEST] / to make a shrill noise [v -ED, -ING, -S]
CHUFF {gruff=adj} [adj CHUFFER, CHUFFEST] / to {chug=v} [v -ED, -ING, -S]
ELATE to raise the spirits of [v ELATED, ELATING, ELATES] : ELATEDLY [adv] ELATER(s)
FRISK to move or leap about playfully [v -ED, -ING, -S] : FRISKY
ENJOY to receive pleasure from [v -ED, -ING, -S] : ENJOYER(s)
FUNNY causing laughter or amusement [adj -NIER, -NIEST] : FUNNILY [adv] / a comic strip [n -NIES]
GUSTO vigorous enjoyment [n -S or -ES]
HAPPI	a loose Japanese coat [n -S]
HAPPY marked by joy [adj -PIER, -PIEST] : HAPPILY [adv]
HUZZA to {cheer=v} [v -ED, -ING, -S] : HUZZAH
JIGGY pleasurably excited [adj -GIER, -GIEST]
JOLLY {cheerful=adj} [adj -LIER, -LIEST] : JOLLILY [adv] / to put in a good humor for one's own purposes [v -LIED, -LYING, -LIES] : JOLLIER(s)
KVELL to exclaim joyfully [v -ED, -ING, -S]
LARKY {playful=adj} [adj LARKIER, LARKIEST]
LAUGH to express emotion, typically mirth, by a series of inarticulate sounds [v -ED, -ING, -S] : LAUGHER(s)
LIEVE {gladly=adv} [adv LIEVER, LIEVEST]
LUDIC aimlessly playful [adj] : LUDICROUS
MERRY {cheerful=adj} [adj -RIER, -RIEST] : MERRILY [adv]
MIRTH spirited gaiety [n -S] : MIRTHFUL [adj] MIRTHLESS
NIFTY stylish; pleasing [adj -TIER, -TIEST] : NIFTILY [adv] / something that is nifty [n -TIES]
PAEAN a song of joy [n -S] : PEAN(s) PAEANISM
RIANT {cheerful=adj} [adj] : RIANTLY [adv]
RISUS a grin or laugh [n -ES]
SAPID	pleasant to the taste [adj -ER -EST]
SMILE to upturn the corners of the mouth in pleasure [v SMILED, SMILING, SMILES] : SMILER(s)
SWELL {stylish=adj} [adj SWELLER, SWELLEST] / to increase in size or volume [v SWELLED, SWOLLEN, SWELLING, SWELLS]
ZINGY enjoyably exciting [adj ZINGIER, ZINGIEST]
ZOWEE	zowie (used to express surprise or pleasure) [interj]
ZOWIE used to express surprise or pleasure [interj] : ZOWEE

ANANDA	extreme happiness [n -S]
ARRIBA used to express pleasure [interj]
BEGLAD to {gladden=v} [v -GLADDED, -GLADDING, -GLADS]
BLITHE {merry=adj} [adj BLITHER, BLITHEST] : BLITHELY [adv] BLITHEFUL, BLITHER(s)
CHEERO {cheerio=n} [n -S]
CHEERY {cheerful=adj} [adj CHEERIER, CHEERIEST]
CHIRPY {cheerful=adj} [adj CHIRPIER, CHIRPIEST] : CHIRPILY [adv]
COMEDY a humorous play, movie, or other work [n -DIES]
DEGUST to taste with pleasure [v -ED, -ING, -S]
EDENIC pertaining to a {paradise=n} [adj]
ELATER a click beetle [n -S]
FRISKY lively and playful [adj FRISKIER, FRISKIEST] : FRISKILY [adv]
FRIVOL to behave playfully [v -OLED, -OLING, -OLS or -OLLED, -OLLING, -OLS]
FROLIC to play and run about merrily [v -ICKED, -ICKING, -ICS] : FROLICKY [adj]
GAMBOL to leap about playfully [v -BOLED, -BOLING, -BOLS or -BOLLED, -BOLLING, -BOLS]
GENIAL having a pleasant or friendly manner [adj] : GENIALLY [adv] GENIALITY
GIGGLE to laugh in a silly manner [v -GLED, -GLING, -GLES]
GIGGLY tending to giggle [adj -GLIER, -GLIEST]
GLADLY in a glad manner [adv -LIER, -LIEST]
GOODLY of pleasing appearance [adj -LIER, -LIEST]
GUFFAW to laugh loudly [v -ED, -ING, -S]
HOORAH to {hurrah=v} [v -ED, -ING, -S] : HOORAH HOORAY HURRAH HURRAY
HOORAY to {hurrah=v} [v -ED, -ING, -S] : HOORAH HOORAY HURRAH HURRAY
HURRAH to {cheer=v} [v -ED, -ING, -S] : HOORAH HOORAY HURRAH HURRAY
HURRAY to {hurrah=v} [v -ED, -ING, -S] : HOORAH HOORAY HURRAH HURRAY
HUZZAH to {huzza=v} [v -ED, -ING, -S]
JOCUND {cheerful=adj} [adj] : JOCUNDLY [adv], JOCUNDITY
JOVIAL good-humored [adj] : JOVIALLY [adv], JOVIALTY JOVIALITY
JOYFUL {happy=adj} [adj -FULLER, -FULLEST] : JOYFULLY [adv] UNJOYFUL
JOYOUS {joyful=adj} [adj] : JOYOUSLY [adv]
JOYPAD	a device with buttons to control computer images [n -S]
JOYPOP to use habit-forming drugs occasionally [v -POPPED, -POPPING, -POPS] : JOYPOPPER(s)
JUBILE {jubilee=n} [n -S]
PLEASE to give enjoyment or satisfaction to [v PLEASED, PLEASING, PLEASES] : PLEASER(s)
REGALE to {delight=v} [v -GALED, -GALING, -GALES]
RELISH to {enjoy=v} [v -ED, -ING, -ES]
RIDENT laughing [adj]
RIGHTO used to express cheerful consent [interj]
SMILER one that {smiles=v} [n -S]
SMILEY a representation of a smiling face [n -EYS]
TITTER to utter a restrained, nervous laugh [v -ED, -ING, -S]
YIPPEE used to express joy [interj]

AMENITY the quality of being pleasant or agreeable [n -TIES]
AMIABLE having a pleasant disposition [adj] : AMIABLY [adv]
ARCADIA a region of simple pleasure and quiet [n -S]
BEAMISH {cheerful=adj} [adj]
BEATIFY to make {happy=adj} [v -FIED, -FYING, -FIES] : BEATIFIC
BESMILE to smile on [v -SMILED, -SMILING, -SMILES]
BLITHER to {blather=v} [v -ED, -ING, -S]
CHEERER one that {cheers=v} [n -S]
CHEERIO a {greeting=n} [n -S] : CHEERO(s)
CHEERLY {cheerily=adv} [adv]
CHORTLE to chuckle with glee [v -TLED, -TLING, -TLES] : CHORTLER(s)
CHUCKLE to laugh quietly [v -LED, -LING, -LES] : CHUCKLER(s)
DELIGHT to give great pleasure to [v -ED, -ING, -S] : DELIGHTFUL, DELIGHTER(s)
ELATION a feeling of great joy [n -S]
ELYSIAN delightful [adj]
ENCHANT to {delight=v} [v -ED, -ING, -S]
ENJOYER one that {enjoys=v} [n -S]
GLADDEN to make {glad=adj} [v -ED, -ING, -S] : GLADDENER(s)
GLEEFUL {merry=adj} [adj] : GLEEFULLY, GLEEFULNESS, GLEESOME
GLEEMAN a {minstrel=n} [n GLEEMEN]
HEDONIC pertaining to pleasure [adj]
JOCULAR given to joking [adj] : JOCULARLY, JOCULARITY
JOLLIER one who puts others in a good humor [n -S]
JOLLIFY to make {jolly=adj} [v -FIED, -FYING, -FIES]
JOLLITY {mirth=n} [n -TIES]
JOYANCE {gladness=n} [n -S]
JOYLESS being without gladness [adj] : JOYLESSLY
JOYRIDE to take an automobile ride for pleasure [v -RODE, -RIDDEN, -RIDING, -RIDES] : JOYRIDER(s)
JUBILEE a celebration [n -S] : JUBILE(s)
KILLJOY one who spoils the fun of others [n -JOYS]
LAUGHER one that {laughs=v} [n -S]
LIKABLE {pleasant=adj} [adj] : LIKABLY
LIKABLY	LIKABLE, pleasant (pleasing) [adv] : LIKEABLY
OVERJOY to fill with great joy [v -ED, -ING, -S]
PLAYBOY a man devoted to pleasurable activities [n -BOYS]
PLEASER one that {pleases=v} [n -S]
RAPTURE to fill with great joy [v -TURED, -TURING, -TURES] : ENRAPTURE
REENJOY <enjoy=v> [v -ED, -ING, -S]
REJOICE to feel joyful [v -JOICED, -JOICING, -JOICES]
REVELER one that {revels=v} [n -S]
REVELRY noisy merrymaking [n -RIES]
RISIBLE inclined to laugh [adj] : DERISIBLE, RISIBLY [adv] RISIBLES
SNICKER to utter a partly stifled laugh [v -ED, -ING, -S]
SUNTRAP	a pleasantly sunny sheltered place [n -S]
UNHAPPY <happy=adj> [adj -PIER, -PIEST] : UNHAPPILY UNHAPPINESS

ALACRITY cheerful promptness [n -TIES]
BEATIFIC {blissful=adj} [adj]
BLISSFUL very happy [adj] : BLISSFULLY, BLISSFULNESS
CATCHILY	CATCHY, pleasing and easily remembered [adv]
CHARMING pleasing [adj -INGER, -INGEST]
CHEERFUL full of spirits [adj -FULLER, -FULLEST] : CHEERFULLY, CHEERFULNESS
CHEERILY in a cheery manner [adv]
CHORTLER one that {chortles=v} [n -S]
CHUCKLER one that {chuckles=v} [n -S]
ELATERID an {elater=n} [n -S]
ELATERIN a chemical compound [n -S]
ENRAVISH to delight greatly [v -ED, -ING, -ES]
ENTRANCE to fill with delight or wonder [v -TRANCED, -TRANCING, -TRANCES]
EUPHORIA a feeling of well-being [n -S] : EUPHORIC [adj] EUPHORIANT(s)
EUPHORIC [adj] : EUPHORICALLY
FELICITY happiness [n -TIES] : FELICITOUS, FELICITOUSLY
GLADNESS the state of being glad [n -ES]
GLADSOME {glad=adj} [adj -SOMER, -SOMEST] : GLADSOMELY GLADSOMENESS
GLEESOME {gleeful=adj} [adj]
HEDONISM the pursuit of pleasure [n -S]
HEDONIST a follower of hedonism [n -S]
JOVIALTY the quality or state of being jovial [n -TIES] : JOVIALITY
JOYRIDER one that {joyrides=v} [n -S]
JOYSTICK the control stick in an airplane [n -S]
JUBILANT {exultant=adj} [adj] : JUBILANTLY [adv], JUBILANCE(s)
JUBILATE to {exult=v} [v -LATED, -LATING, -LATES]
LAUGHING {laughter=n} [n -S] : LAUGHINGLY
LAUGHTER the act or sound of one that laughs [n -S]
LIKEABLE {likable=adj} [adj] : LIKEABLY
LIKEABLY	LIKEABLE, likable (pleasant (pleasing)) [adv] : LIKABLY
MIRTHFUL [adj] : MIRTHFULLY MIRTHFULNESS
OUTLAUGH to surpass in laughing [v -ED, -ING, -S]
OUTSMILE to surpass in smiling [v -SMILED, -SMILING, -SMILES]
OVERGLAD too glad [adj]
PAEANISM the chanting of a paean [n -S]
PARADISE a place of extreme beauty or delight [n -S]
RISIBLES a sense of the ridiculous [n]

BLISSLESS
BLITHEFUL
CHEERLEAD to call for and direct organized cheering, as at a football game [v -LED, -LEADING, -LEADS] : CHEERLEADER(s)
CHEERLESS [adj] : CHEERLESSLY
CONGENIAL [adj] / UNCONGENIAL : CONGENIALLY
DELIGHTED [adj] : DELIGHTEDLY
DELIGHTER [n -S]
DERISIBLE [adj]
ENJOYABLE [adj] : ENJOYABLY
ENJOYMENT [n -S]
ENRAPTURE [v -TURED, -TURING, -TURES]
GENIALITY [n -TIES] : UNCONGENIALITY
GLADDENER [n -S]
GLADSTONE a type of suitcase [n -S]
HAPPINESS [n -ES]
JOCUNDITY [n -DITIES]
JOLLINESS [n -ES]
JOLLYBOAT [n -S]
JOVIALITY [n -TIES] : JOVIALTY
JOYPOPPER [n -S]
JOYRIDING [n -S]
JUBILANCE [n -S]
LAUGHABLE [adj] : LAUGHABLY
LAUGHLINE [n -S]
LUDICROUS [adj] : LUDICROUSLY, LUDICROUSNESS
MERRIMENT [n -S]
MERRINESS [n -ES]
MIRTHLESS : MIRTHLESSLY
PARADISAL [adj] : PARADISAIC PARADISAICAL PARADISAL PARADISIAC PARADISIACAL PARADISIAL PARADISICAL
RAPTUROUS [adj] : RAPTUROUSLY RAPTUROUSNESS
SLAPHAPPY [adj -PIER, -PIEST]
SMILELESS
SMILINGLY
TREATINGS	TREATING, the act of providing someone with something pleasurable [n]
UNENJOYED
UNSMILING

BLITHESOME [adj] : BLITHESOMELY
CHEERINESS [n -ES]
DELIGHTFUL [adj] : DELIGHTFULLY DELIGHTFULNESS
ELATEDNESS [n -ES]
EUPHORIANT [n -S]
HORSELAUGH [n -S]
IMPARADISE to make happy [v -SED, -SING, -SES]
JOCULARITY [n -RITIES]
JOYFULNESS [n -ES]
JOYOUSNESS [n -ES]
JUBILARIAN [n -S]
JUBILATION [n -S]
MERRYMAKER [n -S] : MERRYMAKING(s)
PARADISAIC [adj] : PARADISAIC PARADISAICAL PARADISAL PARADISIAC PARADISIACAL PARADISIAL PARADISICAL
PARADISIAC [adj] : PARADISAIC PARADISAICAL PARADISAL PARADISIAC PARADISIACAL PARADISIAL PARADISICAL
PARADISIAL [adj] : PARADISAIC PARADISAICAL PARADISAL PARADISIAC PARADISIACAL PARADISIAL PARADISICAL
RIPSNORTER [n -S] : RIPSNORTING [adj]
RISIBILITY [n -TIES]

CHEERLEADER [n -S]
CHUCKLEHEAD [n -S] : CHUCKLEHEADED [adj]
CHUCKLESOME
CHUCKLINGLY
DELIGHTSOME
GLEEFULNESS [n -ES]
JOYLESSNESS [n -ES]
MERRYMAKING [n -S]
PARADISICAL [adj] : PARADISAIC PARADISAICAL PARADISAL PARADISIAC PARADISIACAL PARADISIAL PARADISICAL

BLISSFULNESS [n -ES]
CHEERFULNESS [n -ES]
CONGENIALITY [n -TIES]
GLADSOMENESS [n -ES]
MERRYTHOUGHT [n -S]
MIRTHFULNESS [n -ES]
PARADISAICAL [adj], PARADISAICALLY : PARADISAIC PARADISAICAL PARADISAL PARADISIAC PARADISIACAL PARADISIAL PARADISICAL
PARADISIACAL [adj], PARADISIACALLY : PARADISAIC PARADISAICAL PARADISAL PARADISIAC PARADISIACAL PARADISIAL PARADISICAL

CHEERLESSNESS [n -ES]
DELIGHTEDNESS [n -ES]
ENJOYABLENESS [n -ES]
JOLLIFICATION [n -S]
LAUGHABLENESS [n -ES]
LAUGHINGSTOCK [n -S]
LUDICROUSNESS [n -ES]
RAPTUROUSNESS [n -ES]

DELIGHTFULNESS

* List compiled from OWL3 + OWL2 + Long List by Rebecca Slivka