săgācĭtas, ātis, f. sagax, keenness of perception, acuteness of the senses, sagacity. Lit. Keenness of scent in dogs: canum tam incredibilis ad investigandum sagacitas narium, Cic. N. D. 2, 63, 158; so, canum, Plin. 9, 30, 48, § 92.—* Transf., of hunters: ut domitas feras mentita sagacitate colligerent, Plin. Pan. 81, 3.—* Keenness, acuteness of the other senses: sensuum, Sen. Ep. 95, 58.— Trop., intellectual keenness of perception, acuteness, shrewdness, sagacity (good prose; syn.: sollertia, acumen): utrum admonitus ac tentatus, an, quā est ipse sagacitate in his rebus, sine duce ullo, sine indice, pervenerit ad hanc improbitatem, nescio, Cic. Verr. 2, 1, 41, § 105: tuam tantam fuisse sagacitatem, id. ib. 2, 4, 12, § 29: erat eā sagacitate, ut decipi non posset, Nep. Alc. 5, 2: consilii, Val. Max. 7, 3, 3: Hipparchi sagacitate compertum est, lunae defectum, etc., Plin. 2, 13, 10, § 57.