perspicacity

[ pur-spi-kas-i-tee ]
/ ˌpɜr spɪˈkæs ɪ ti /

noun

keenness of mental perception and understanding; discernment; penetration.
Archaic. keen vision.

Origin of perspicacity

1540–50; earlier perspicacite < Late Latin perspicācitās sharpness of sight, equivalent to perspicāci- (stem of perspicāx sharp-sighted; see perspicuous) + -tās -ty2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for perspicacity