noun (n)

• disorder resulting from a failure to behave predictably(noun.state)

  Example:
  The army retreated in confusion.
  

  source: wordnet30
• a mental state characterized by a lack of clear and orderly thought and behavior(noun.cognition)

  Example:
  A confusion of impressions.
  

  Synonym:
  confusedness, disarray, mental confusion, muddiness
  

  source: wordnet30
• a feeling of embarrassment that leaves you confused(noun.feeling)

  Synonym:
  discombobulation
  

  source: wordnet30
• an act causing a disorderly combination of elements with identities lost and distinctions blended(noun.act)

  Example:
  The confusion of tongues at the Tower of Babel.
  

  source: wordnet30
• a mistake that results from taking one thing to be another(noun.act)

  Example:
  He changed his name in order to avoid confusion with the notorious outlaw.
  

  Synonym:
  mix-up
  

  source: wordnet30
• The state of being mixed or blended so as to produce indistinctness or error; indistinct combination; disorder; tumult.(noun)

  source: webster1913