Sagacious

Sa*ga"cious (?), a. [L. sagax, sagacis, akin to sagire to perceive quickly or keenly, and probably to E. seek. See Seek, and cf. Presage.] 1. Of quick sense perceptions; keen-scented; skilled in following a trail.

Sagacious of his quarry from so far.
Milton.

2. 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.

Syn. -- See Shrewd.

-- Sa*ga"cious*ly, adv. -- Sa*ga"cious*ness, n.