actŭōsus — Lewis & Short
actŭōsus, a, um, adj.actus,
virtus actuosa (est), et deus vester nihil agens expers virtutis (est),Cic. N. D. 1, 40; so id. Or. 36, 125; Sen. Ep. 39.—Hence, acc. to Fest. s. v. actus, p. 15, subst., an actor or dancer.—Adv.: actŭōse, in a lively manner, with activity, Cic. de Or. 3, 26, 102.