noun (n)

• freedom to act or judge on one's own(noun.state)

  source: wordnet30
• knowing how to avoid embarrassment or distress(noun.cognition)

  Example:
  The servants showed great tact and discretion.
  

  Synonym:
  circumspection, discreetness, prudence
  

  source: wordnet30
• refined taste; tact(noun.cognition)

  Synonym:
  delicacy
  

  source: wordnet30
• the power of making free choices unconstrained by external agencies(noun.attribute)

  Synonym:
  free will
  

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

  Synonym:
  discernment
  

  source: wordnet30
• Disjunction; separation.(noun)

  source: webster1913