noun (n)

• the act of choosing or selecting(noun.act)

  Synonym:
  choice, option, pick
  

  source: wordnet30
• an assortment of things from which a choice can be made(noun.group)

  Example:
  The store carried a large selection of shoes.
  

  source: wordnet30
• the person or thing chosen or selected(noun.cognition)

  Synonym:
  choice, pick
  

  source: wordnet30
• a natural process resulting in the evolution of organisms best adapted to the environment(noun.process)

  Synonym:
  natural selection, survival, survival of the fittest
  

  source: wordnet30
• a passage selected from a larger work(noun.communication)

  Synonym:
  excerpt, excerption, extract
  

  source: wordnet30
• The act of selecting, or the state of being selected; choice, by preference.(noun)

  source: webster1913