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"鋭敏に洞察力があり、賢い賢明
例:a source of valuable insights and sapient advice to educators 教育者への貴重な洞察力と賢いアドバイスの源