mulcedo
From LSJ
Χαίρειν ἐπ' αἰσχροῖς οὐδέποτε χρὴ πράγμασιν → Non decet in rebus esse laetum turpibus → In schlimmer Not ist Freude niemals angebracht
Latin > English (Lewis & Short)
mulcēdo: ĭnis, f. mulceo,
I pleasantness, agreeableness (post-class.): Veneris atque Musae, Gell. 19, 9, 7; Sid. Ep. 5, 17.