Perspicacity(noun)
The quality of having a ready insight into things; shrewdness.
Hindi meaning:समझदारी/कुशाग्रता
Synonyms: Acumen, Discernment, Perception, Shrewdness, Judgment
Antonyms: Ignorance, Stupidity
Example: The detective’s perspicacity allowed him to easily recognize the criminal in the crowd.
Trick to remember: Life ka purpose samj aa gya city me to app Perspicacity ho. 
