As children, we all thought our uncle to be very wise because he would always ask such sagacious questions.
"Sagacious is a long word." The sagacious thinker was able to deduce the motivation behind the man's behavior.
The consummate beauty of New Hampshire's mountainous terrain is a manifestation of Nature's sagacious truth.
the sentence might be:"an astute and sagacious statesman".
Detectives and lawyers are prone to being sagacious in order to perform their job effectively.