весёлый

1) General subject: Christmassy, airy, amused, bacchic, beany, blithesome, bobbish, boon, boyish, breezy, bright, bully, buoyant, cadgy, cheerful, cheery, cherry merry, cherry-merry, chirp, chirpy, coltish, convivial, debonair, exhilarated, facetious, festal, festive, festivous, frisky, frolic, frolicsome, gamesome, gay, genial, glad, gladsome, gleeful, gleesome, gleg, happy, happy go lucky, happy-go-lucky, heartsome, high, high hearted, high spirited, high stepping, high-hearted, high-spirited, high-stepping, hilarious, humoristic, humorous, jaunty, jocose, jocular, jocund, jolly, jovial, joyful, joyous, laughing, lepid, light, light hearted, light-hearted, lightsome, lilting (о мелодии и т.п.), lively, lusory, merry, mirthful, perky, playful, playsome, pleasant, pretty bobbish, rackety, riant, rident, rorty, saucy, skittish, sportful, sportive, sprightly, sunny, sunshiny, tittupy, toying, vivacious, vogie, volatile, winsome

2) Colloquial: bob, corky, crunk, larky, mellow, tails up, tittuppy

3) Dialect: peart

4) American: chirk, peppy, pert

5) Obsolete: bonny, gaysome

6) Poetical language: blithe

7) Bookish: debonnaire

8) Rare: jestful

9) Australian slang: tickled pink

10) Scottish language: canty, crouse

11) Jargon: hoo-per-doo, hooper-dooper, hooperdoo, zing, zippo, zippy, up, zip

12) Emotional: fostered

13) Makarov: full of mirth

14) Taboo: hell-raising