- Of quick sense perceptions; keen-scented; skilled in following a trail." Sagacious of his quarry from so far." [Milton.]
- Hence, of quick intellectual perceptions; of keen penetration and judgment; discerning and judicious; knowing; far-sighted; shrewd; sage; wise; as, a sagacious man; a sagacious remark."Instinct . . . makes them, many times, sagacious above our apprehension." [Dr. H. More.]"Only sagacious heads light on these observations, and reduce them into general propositions." [Locke.]synonyms: See Shrewd.
Etymology: L. sagax sagacis, akin to sagire to perceive quickly or keenly, and probably to E. seek. See Seek, and cf. Presage