noun (n)

• a sign of something about to happen(noun.event)

  Synonym:
  omen, portent, presage, prodigy, prognostic
  

  source: wordnet30
• a statement made about the future(noun.communication)

  Synonym:
  forecasting, foretelling, prediction
  

  source: wordnet30
• knowledge of the future (usually said to be obtained from a divine source)(noun.cognition)

  Synonym:
  prophecy, vaticination
  

  source: wordnet30
• The act of foreshowing or foretelling something future by present signs; prediction.(noun)

  source: webster1913