- Sagacity is the quality of being wise or having good judgment.
An example of sagacity is when a person refuses to get in the car with someone who has been drinking.
Origin: Fr sagacité from Classical Latin sagacitas
Used by arrangement with John Wiley & Sons, Inc.
Origin: French sagacité, from Old French sagacite, from Latin sagācitās, quickness of perception, from sagāx, sagāc-, of keen perception; see sagacious.