'Perspicacity' definitions:

Definition of 'perspicacity'

From: WordNet
noun
Intelligence manifested by being astute (as in business dealings) [syn: shrewdness, astuteness, perspicacity, perspicaciousness]
noun
The capacity to assess situations or circumstances shrewdly and to draw sound conclusions [syn: judgment, judgement, sound judgment, sound judgement, perspicacity]

Definition of 'Perspicacity'

From: GCIDE
  • Perspicacity \Per`spi*cac"i*ty\ (p[~e]r`sp[i^]*k[a^]s"[i^]*t[y^]), 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. [1913 Webster]