noun (n)

• an event that accomplishes its intended purpose(noun.event)

  Example:
  Let's call heads a success and tails a failure.
  The election was a remarkable success for the Whigs.
  

  Antonym:
  failure
  

  source: wordnet30
• an attainment that is successful(noun.act)

  Example:
  His success in the marathon was unexpected.
  His new play was a great success.
  

  source: wordnet30
• a state of prosperity or fame(noun.state)

  Example:
  He is enjoying great success.
  He does not consider wealth synonymous with success.
  

  source: wordnet30
• a person with a record of successes(noun.person)

  Example:
  If you want to be a success you have to dress like a success.
  

  Synonym:
  achiever, succeeder, winner
  Antonym:
  failure, loser, nonstarter, unsuccessful person
  

  source: wordnet30
• Act of succeeding; succession.(noun)

  source: webster1913