noun (n)

• intelligence manifested by being astute (as in business dealings)(noun.cognition)

  Synonym:
  astuteness, perspicaciousness, shrewdness
  

  source: wordnet30
• the capacity to assess situations or circumstances shrewdly and to draw sound conclusions(noun.attribute)

  Synonym:
  judgement, judgment, sound judgement, sound judgment
  

  source: wordnet30
• The state of being perspicacious; acuteness of sight or of intelligence; acute discernment.(noun)

  source: webster1913