Same word as jocular:

amusing, blithe, camp, cheerful, comic, comical, crazy, daffy, droll, facetious, flaky, frolicsome, gay, gleeful, happy, humorous, jesting, jokey, joking, jolly, joshing, jovial, joyous, laughable, lighthearted, lively, ludicrous, merry, mischievous, pleasant, roguish, sportiv