FACE'TIOUS, adjective [Latin facetus; facetia, or plural ] 1. Merry; sportive; jocular; sprightly with wit and good humor; as a facetious companion. 2. Witty; full of pleasantry playful; exciting laughter; as a facetious story; a facetious reply.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI