形容词

1. 聪慧的;精明的;有决策力的
A sagacious person is intelligent and has the ability to make good decisions.

1. skillful in statecraft or management

e.g. an astute and sagacious statesman

2. acutely insightful and wise

e.g. 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

Synonym: perspicacioussapient