Sagacious
From BiblePortal Wikipedia
Sagacious [1]
(1):
(a.) 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.
(2):
(a.) Of quick sense perceptions; keen-scented; skilled in following a trail.