Synonyms of amusing

1 Syllable
fun, funs, camp, droll
2 Syllables
social, campy, screamer, witty, rioter, cheerful, merry, merrier, merriest, grooving, mirthful, screaming, zappy, zingy, zingier, pleasant, pleasing, cheering, booner, charming, grouper, wittier, har-har, jokey, funnier, boffo, funniest, joking, waggish, campiest, laughing, joshing, punning, funny
3 Syllables
diverting, enchanting, riproaring, delightful, engaging, quizzical, gratifying, enjoyable, gladdening, rip-roaring, farcical, laughable, risible, priceless, gelastic, comedic, whimsical, facetious, humorous, gut-busting, knee-slapper, side-splitting, jocular, lively, hilarious, agreeable, comical, societal, kiddingly
4 Syllables
entertaining, comedical, wisecracking, saturnalian, aporetic, tongue-in-cheek, derisory, sidesplitting, interesting