Facetious \Fa*ce"tious\, a. [Cf. F. fac['e]tieux. See Faceti[ae].]

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.

Source: Webster's Revised Unabridged Dictionary (1913)