Sagacious

1. (a.) Showing keen mental discernment; shrewd; skilled in following a trail.

2. (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.

Thesaurus Entries

acute, all-knowing, anticipant, anticipatory, apperceptive, appercipient, apprehending, apprehensive, argute, astute, aware, blase, cagey, clairvoyant, clever, cogent, cognizant, cosmopolitan, cosmopolite, critical, discerning, discriminating, divinatory, experienced, far-seeing, farseeing, farsighted, forehanded, foreknowing, foreseeing, foresighted, forethoughted, forethoughtful, gnostic, heady, incisive, insightful, intelligent, intuitive, judicious, knowing, knowledgeable, longheaded, longsighted, mature, matured, mindful, not born yesterday, old, omniscient, penetrating, perceptive, percipient, perspicacious, perspicuous, piercing, practiced, precognitive, precognizant, prehensile, prepared, prescient, provident, providential, prudent, ready, ripe, ripened, sage, sapient, savvy, seasoned, sensible, shrewd, smart, sophic, sophisticated, trenchant, tried, tried and true, understanding, veteran, wise, world-wise, worldly, worldly-wise