Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

WORD ORIGIN

1630s, formed as an adjective to perspicacity, from Latin perspicax "sharp-sighted, having the power of seeing through; acute" (see perspicacity). Related: Perspicaciously; perspicaciousness.

MORE RELATED WORDS FOR PERSPICACIOUSNESS

clear-sightedness

noundiscernment
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.