1. Given to wit and good humor; merry; sportive; jocular; as, a facetious companion.
2. Characterized by wit and pleasantry; exciting laughter; as, a facetious story or reply.
-- Fa*ce*tious*ly, adv. -- Fa*ce*tious*ness, n.
adv : not seriously; "I meant it facetiously" [syn: jokingly, tongue-in-cheek]