Synonyms for perspicacious

Adjective

1. perspicacious, sagacious, sapient, wise (vs. foolish)

usage: 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"

2. clear-eyed, clear-sighted, perspicacious, discerning (vs. undiscerning)

usage: 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"