Noun perspicacity has 2 senses
  1. shrewdness, astuteness, perspicacity, perspicaciousness - intelligence manifested by being astute (as in business dealings)
    --1 is a kind of intelligence
    --1 has particulars:
     craft, craftiness, cunning, foxiness, guile, slyness, wiliness; cunning; insightfulness, acumen; knowingness; street smarts
  2. judgment, judgement, sound judgment, sound judgement, perspicacity - the capacity to assess situations or circumstances shrewdly and to draw sound conclusions
    --2 is a kind of trait
    --2 has particulars: objectivity, objectiveness; subjectivity, subjectiveness