εὐτραπελία
From LSJ
Καλὸν τὸ μηδὲν εἰς φίλους ἁμαρτάνειν → Nihil peccare in amicos est pulcherrimum → Gut ist, sich gegen Freunde nicht versündigen
English (LSJ)
ἡ,
A ready wit, liveliness, Hp.Decent.7, Pl.R.563a, Posidipp.28.5, Cic.Fam.7.32.1, D.S.15.6: pl., pleasantries, Demetr.Eloc.177; defined by Arist. as πεπαιδευμένη ὕβρις, Rh.1389b11, cf. EN1108a24; ἡ περὶ τὰς παιδιὰς καὶ τὰς ὁμιλίας εὐ. Plu.Ant.43. 2 rarely in bad sense, = βωμολοχία, Ep.Eph.5.4.