Suasio, Verb. f. g. Cic.Exhortation: motion: perswasion counsayling.
Lewis and Short: Latin dictionary
suāsĭo, ōnis, f. [suadeo], a counselling, advice, exhortation, suasion, persuasion.I. In gen., Sen. Ep. 95, 65.—Plur.: omni suasionum admonitionumque genere utens, Gell. 10, 19, 4.—II. In partic. A. In publicists' lang., a recommending, advocacy of a proposed law: suasio legis Serviliae, Cic. Clu. 51, 140.—B. In rhetoric, the suasory species of eloquence, Cic. Or. 11, 37: praecepta dare de suasionibus, id. de Or. 2, 81, 333.