noun (n)

• a search for an alternative that meets cognitive criteria(noun.cognition)

  Example:
  Life is more than the pursuance of fame.
  

  Synonym:
  pursuit, quest
  

  source: wordnet30
• the continuance of something begun with a view to its completion(noun.act)

  Synonym:
  prosecution
  

  source: wordnet30
• The act of pursuing or prosecuting; a following out or after.(noun)

  source: webster1913