Synonyms: perspicacious, sagacious, sapient
Definition: acutely insightful and wise
Usage: 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
Similar words: wise
Definition: having or prompted by wisdom or discernment
Usage: a wise leader; a wise and perceptive comment