Synonyms of convivial

1 Syllable
gay, funs, fun
2 Syllables
jollying, social, genial, jovial, happiest, cheerful, larking, merry, merrier, merriest, grooving, jocund, mirthful, zappy, zingy, festal, jollier, friendlier, zingier, pleasant, cordial, clubby, happy, booner, friendly, grouper, palsy, matey, friendliest, hearty, chirpy, jolly, happier
3 Syllables
riproaring, sociable, holiday, rip-roaring, gladsome, gregarious, festive, vivacious, red-carpet, nonformal, congenial, amical, lively, hilarious, back-slapping, societal
4 Syllables
entertaining, blithesome, extraverted, saturnalian, glad-handering, conversable, conversible
5 Syllables
companionable, carnivalesque, extroversive, extraversive