sagaciously Copy link Outline 1. prūdenter2. ăcūtē (keenly; shrewdly)3. săgācĭter (with penetrating intelligence) • sagaciously: 1. prūdenter: Cic.: Aug. in Suet.: v. prudently. 2. ăcūtē (keenly; shrewdly): Lucr.: Cic. 3. săgācĭter (with penetrating intelligence): Cic. de Or. 1, 51, fin. (s. investigare): Liv.