noun (n)

• the act of making up your mind about something(noun.act)

  Example:
  The burden of decision was his.
  

  Synonym:
  conclusion, determination
  

  source: wordnet30
• a position or opinion or judgment reached after consideration(noun.cognition)

  Example:
  A decision unfavorable to the opposition.
  

  source: wordnet30
• (boxing) a victory won on points when no knockout has occurred(noun.event)

  Example:
  Had little trouble in taking a unanimous decision over his opponent.
  

  source: wordnet30
• the outcome of a game or contest(noun.event)

  Example:
  The team dropped three decisions in a row.
  

  source: wordnet30
• the trait of resoluteness as evidenced by firmness of character or purpose(noun.attribute)

  Synonym:
  decisiveness
  Antonym:
  indecision, indecisiveness
  

  source: wordnet30
• Cutting off; division; detachment of a part.(noun)

  source: webster1913