Roget's Thesaurus of English Words and Phrases by Peter Mark Roget

l'allegro [Fr.], cheer, good humor, spirits; high spirits, animal spirits, flow of spirits; glee, high glee, light heart; sunshine of the mind, sunshine of the breast; gaiete de coeur [Fr.], bon naturel [Fr.]. liveliness &c adj.; life, alacrity, vivacity, animation, allegresse†; jocundity, joviality, jollity; levity; jocularity &c (wit) 842. mirth, merriment, hilarity, exhilaration; laughter &c 838; merrymaking &c (amusement) 840; heyday, rejoicing &c 838; marriage bell. nepenthe, Euphrosyne†, sweet forgetfulness. optimism &c (hopefulness) 858; self complacency; hedonics†, hedonism. V. be cheerful &c adj.; have the mind at ease, smile, put a good face upon, keep up one's spirits; view the bright side of the picture, view things en couleur de rose [Fr.]; ridentem dicere virum [Lat.], cheer up, brighten up, light up, bear up; chirp, take heart, cast away care, drive dull care away, perk up. keep a stiff upper lip. rejoice &c 838; carol, chirrup, lilt; frisk, rollick, give a loose to mirth. cheer, enliven, elate, exhilarate, gladden, inspirit, animate, raise the spirits, inspire; perk up; put in good humor; cheer the heart, rejoice the heart; delight &c (give pleasure) 829. Adj. cheerful; happy &c 827; cheery, cheerly†; of good cheer, smiling; blithe; in spirits, in good spirits; breezy, bully, chipper [U.S.]; in high spirits, in high feather; happy as the day is long, happy as a king; gay as a lark; allegro; debonair; light, lightsome, light hearted; buoyant, debonnaire, bright, free and easy, airy; janty†, jaunty, canty†; hedonic†; riant†; sprightly, sprightful†; spry; spirited, spiritful†; lively, animated, vivacious; brisk as a bee; sparkling, sportive; full of play, full of spirit; all alive. sunny, palmy; hopeful &c 858. merry as a cricket, merry as a grig†, merry as a marriage bell; joyful, joyous, jocund, jovial; jolly as a thrush, jolly as a sandboy†; blithesome; gleeful, gleesome†; hilarious, rattling. winsome, bonny, hearty, buxom. playful, playsome†; folatre [Fr.], playful as a kitten, tricksy†, frisky, frolicsome; gamesome; jocose, jocular, waggish; mirth loving, laughter-loving; mirthful, rollicking. elate, elated; exulting, jubilant, flushed; rejoicing &c 838; cock-a-hoop. cheering, inspiriting, exhilarating; cardiac, cardiacal†; pleasing &c 829; palmy. Adv. cheerfully &c adj.. Int. never say die!, come!, cheer up!, hurrah!, &c 838; hence loathed melancholy!, begone dull care!, away with melancholy!, Phr. a merry heart goes all the day [A winter's Tale]; as merry as the day is long [Much Ado]; ride si sapis [Lat.] [Martial].