Lewis & Short

suāsōrĭus, a, um, adj. [suadeo], of or belonging to counselling or persuading, suasory, persuasive (post-Aug.).

  1. * I. In gen.: oscula, App. M. 5, p. 161, 29.
  2. II. In partic., in rhet., of or belonging to the suasory species of discourse, hortatory, suasory.
    1. A. Adj.: pars deliberativa, quae eadem suasoria dicitur, Quint. 3, 8, 6: materiae, id. 2, 10, 1; 11, 1, 48.
    2. B. Subst.: suāsōrĭa, ae, f. (sc. oratio), a hortatory or suasory speech, Quint. 2, 4, 25; 3, 5, 8; 3, 8, 10; 3, 8, 20; 3, 8, 34; Petr. 6.
      Hence, adv.: suā-sōrĭē, advisorily, Prisc. 1150 P.