Lewis Short
suādēla | suādella (noun F) : (less correctly ), , suadeo.
* Exhortation, suasion, persuasion (ante- and post-class.): jam perducebam illam ad me suadela mea,Plaut. Cist. 2, 3, 24: suadela depravata,App. Dogm. Plat. 2, p. 28, 15.—Plur.: his et hujusmodi suadelis, etc.,App. M. 9, p. 225, 20.
* Suadela, personified, the goddess of Persuasion, the Gr. Πειθώ, Hor. Ep. 1, 6, 38.
Charlton T. Lewis, Charles Short, A Latin Dictionary