noun (n)

• an authoritative direction or instruction to do something(noun.communication)

  Synonym:
  bid, command, dictation
  

  source: wordnet30
• a request to be present(noun.communication)

  Example:
  They came at his bidding.
  

  Synonym:
  summons
  

  source: wordnet30
• (bridge) the number of tricks a bridge player is willing to contract to make(noun.communication)

  Synonym:
  bid
  

  source: wordnet30
• Command; order; a proclamation or notifying.(noun)

  source: webster1913