PERSPICACITY
judgment, judgement, sound judgment, sound judgement, perspicacity
(noun) the capacity to assess situations or circumstances shrewdly and to draw sound conclusions
shrewdness, astuteness, perspicacity, perspicaciousness
(noun) intelligence manifested by being astute (as in business dealings)
Source: WordNet® 3.1
Etymology
Noun
perspicacity (usually uncountable, plural perspicacities)
Acute discernment or understanding; insight.
The human faculty or power to mentally grasp or understand clearly.
(obsolete) Keen eyesight.
Source: Wiktionary
Per`spi*cac"i*ty, n. Etym: [L. perspicacitas: cf. F. perspicacité.
See Perspicacious.]
Definition: The state of being perspicacious; acuteness of sight or of
intelligence; acute discernment. Sir T. Browne.
Source: Webster’s Unabridged Dictionary 1913 Edition