perspicacious

adj 1: acutely insightful and wise; "much too perspicacious to be

taken in by such a spurious argument"; "observant and

thoughtful, he was given to asking sagacious

questions"; "a source of valuable insights and sapient

advice to educators" [syn: {sagacious}, {sapient}]

2: mentally acute or penetratingly discerning; "too clear-eyed

not to see what problems would follow"; "chaos could be

prevented only by clear-sighted leadership"; "much too

perspicacious to be taken in by so spurious an argument"

[syn: {clear-eyed}, {clear-sighted}]