Perspicacity \Per`spi*cac"i*ty\, n. [L. perspicacitas: cf. F. perspicacit['e]. See {Perspicacious}.] The state of being perspicacious; acuteness of sight or of intelligence; acute discernment. --Sir T. Browne. web1913
perspicacity n 1: intelligence manifested by being astute (as in business dealings) [syn: {shrewdness}, {astuteness}, {perspicaciousness}] 2: the capacity to assess situations or circumstances shrewdly and to draw sound conclusions [syn: {judgment}, {judgement}, {sound judgment}, {sound judgement}] wn