Webster’s Revised Unabridged Dictionary · 1913
Asteism
As′te·ism (ăs′tē·ĭz'm), n. [Gr. ἀστεϊσμός refined and witty talk, fr. ἀστεῖος of the town, polite, witty, fr. ἄστυ city: cf. F. astéisme.] (Rhet.) Genteel irony; a polite and ingenious manner of deriding another.