optativus

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

optātīvus, a, um, adj. [opto],

of or belonging to a wish , expressing a wish , optative (post-class.): modus optativus, the optative , Diom. p. 330 P.: adverbia, Mart. Cap. 3, § 310.