vĭgĭlantĭa, ae, f. [vigilans, from vigilo], wakefulness (class.).
I Lit.: erat (Plinii) incredibile studium, summa vigilantia, Plin. Ep. 3, 5, 8.—Jocosely: fuit (Caninius) mirificā vigilantiā, qui suo toto consulatu somnum non viderit, Cic. Fam. 7, 30, 1.—More freq.,
II Trop., watchful attention , watchfulness , vigilance (syn.: sedulitas, diligentia): Siciliam virtute istius et vigilantiā singulari ... tutam esse servatam, Cic. Verr. 2, 5, 1, § 1; 2, 4, 24, § 54; id. Planc. 25, 62; id. Att. 8, 9, 4; Ter. Ad. 398; Quint. 5, 7, 10.