/perr'spi kas"i tee/ , n.
1. keenness of mental perception and understanding; discernment; penetration.
2. Archaic. keen vision.
[ 1540-50; earlier perspicacite perspicacitas sharpness of sight, equiv. to perspicaci- (s. of perspicax sharp-sighted; see PERSPICUOUS) + -tas -TY 2 ]
Syn. 1. shrewdness, acuity, astuteness, insight, acumen. See perspicuity .
Ant. 1. obtuseness.