Same word as waggish:

amusing, blithe, bubbly, cheerful, clowning, comical, frolicsome, funny, gamesome, gay, humorous, jaunty, jesting, jocular, jocund, joking, jolly, joyous, kittenish, lighthearted, lively, merry, mirthful, snappy, spirited, teasing, whimsical, witty