per·spi·cac·i·ty 
(pûr′spĭ-kăsĭ-tē)
(pûr′spĭ-kăsĭ-tē)n.
Acuteness of perception, discernment, or understanding.
- Charles
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- Charles Alfred
- Charles André Joseph Marie
- Charles Augustin
- Charles Augustin de
- Charles Augustus
- Charles Austin
- Charles Benedict
- Charles Brenton
- Charles Brockden
- (Charles) Bruce
- Charles de Secondat.