say it: pur-spuh-KAY-shuhs
perspicacious is an adjective meaning "acutely insightful and wise". It carries 2 recorded senses.
mentally acute or penetratingly discerning
“too clear-eyed not to see what problems would follow”
“chaos could be prevented only by clear-sighted leadership”
“much too perspicacious to be taken in by so spurious an argument”
Definitions, synonyms and semantic relations for perspicacious come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.