noun (n)

• a statement that is emphatic and explicit (spoken or written)(noun.communication)

  source: wordnet30
• (law) unsworn statement that can be admitted in evidence in a legal transaction(noun.communication)

  Example:
  His declaration of innocence.
  

  source: wordnet30
• a statement of taxable goods or of dutiable properties(noun.communication)

  source: wordnet30
• (contract bridge) the highest bid becomes the contract setting the number of tricks that the bidder must make(noun.communication)

  Synonym:
  contract
  

  source: wordnet30
• a formal public statement(noun.communication)

  Example:
  A declaration of independence.
  

  Synonym:
  announcement, annunciation, proclamation
  

  source: wordnet30
• a formal expression by a meeting; agreed to by a vote(noun.communication)

  Synonym:
  resolution, resolve
  

  source: wordnet30
• The act of declaring, or publicly announcing; explicit asserting; undisguised token of a ground or side taken on any subject; proclamation; exposition; as, the declaration of an opinion; a declaration of war, etc.(noun)

  source: webster1913