Definitions of confusion:

• noun:   a mistake that results from taking one thing to be another

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

• noun:   an act causing a disorderly combination of elements with identities lost and distinctions blended

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

• noun:   a mental state characterized by a lack of clear and orderly thought and behavior

  Example: "A confusion of impressions"

• noun:   a feeling of embarrassment that leaves you confused
• noun:   disorder resulting from a failure to behave predictably

  Example: "The army retreated in confusion"