a. [ L. perspicax, -acis, fr. perspicere to look through: cf. F. perspicace. See Perspective. ] 1. Having the power of seeing clearly; quick-sighted; sharp of sight. [ 1913 Webster ]
2. Fig.: Of acute discernment; keen. [ 1913 Webster ]
-- Per`spi*ca"cious*ly, adv. -- Per`spi*ca"cious*ness, n. [ 1913 Webster ]