blandiloquens
From LSJ
νέῳ δὲ σιγᾶν μᾶλλον ἢ λαλεῖν πρέπει → it's fitting for a young man to keep silence rather than to speak (Menander)
Latin > English
blandiloquens (gen.), blandiloquentis ADJ :: charming/persuasive (of speech), smooth talking
Latin > English (Lewis & Short)
blandĭlŏquens: entis, adj. blandus loquor,
I speaking courteously, flatteringly, or soothingly, Laber. ap. Macr. S. 2, 7, 3.
Latin > French (Gaffiot 2016)
blandĭlŏquēns, entis (blandus, loquor), insinuant : Laber. d. Macr. Sat. 2, 7, 3.
Latin > German (Georges)
blandiloquēns, tis (blande u. loquor), schmeichlerisch (redend), oratio, Laber. com. 106.