noun (n)

• the cognitive condition of someone who understands(noun.cognition)

  Synonym:
  apprehension, savvy, understanding
  

  source: wordnet30
• delicate discrimination (especially of aesthetic values)(noun.cognition)

  Synonym:
  appreciation, perceptiveness, taste
  

  source: wordnet30
• perception of that which is obscure(noun.cognition)

  Synonym:
  perceptiveness
  

  source: wordnet30
• the mental ability to understand and discriminate between relations(noun.cognition)

  Synonym:
  judgement, judgment, sagaciousness, sagacity
  

  source: wordnet30
• the trait of judging wisely and objectively(noun.attribute)

  Example:
  A man of discernment.
  

  Synonym:
  discretion
  

  source: wordnet30
• The act of discerning.(noun)

  source: webster1913