Lewis Short
(adj.adv.) : mōrālis, e, adj.mores
* Of or belonging to manners or morals, moral (a word formed by Cicero; cf. moratus): quia pertinet ad mores, quos ἤθη Graeci vocant, nos eam partem philosophiae de moribus appellare solemus. Sed decet augentem linguam Latinam nominare moralem, Cic. Fat. 1, 1; imitated by Seneca and Quintil.: philosophiae tres partes esse dixerunt, moralem, naturalem, et rationalem,Sen. Ep. 89, 9; Quint. 12, 2, 10: pars illa philosophiae ἠθική moralis est dicta, id. 6, 2, 8; cf. also,id. 12, 2, 19 and 20: epistolae,Gell. 12, 2, 3. —Hence, adv.: mōrālĭter, in a characteristic manner, characteristically, Don. ad Ter. Ad. 5, 8, 35; Ter. Phorm. 1, 1, 2.—Esp., morally, Ambros. Apol. David. 6.—Comp.: moralius,Ambros. in Psa. 118, Serm. 1, 5.
Charlton T. Lewis, Charles Short, A Latin Dictionary