suaviloquentia
From LSJ
Latin > English (Lewis & Short)
suāvĭlŏquentĭa: ae, f. suaviloquens,
I sweetness of speech, suaviloquence: et oratorem appellat (Ennius Cethegum) et suaviloquentiam tribuit, Cic. Brut. 15, 58; cf. suaviloquens.
Latin > French (Gaffiot 2016)
suāvĭlŏquentĭa, æ, f. (suaviloquens), douceur de langage : Enn. d. Cic. Br. 58.
Latin > German (Georges)
suāviloquentia, ae, f. (suaviloquens), das angenehme-, liebliche Reden, Cic. Brut. 58. Augustin. conf. 5, 3. § 3.