The Collaborative International Dictionary of English v.0.48:

Soothsaying \Sooth"say`ing\, n.
   1. A true saying; truth. [Obs.]
      [1913 Webster]

   2. The act of one who soothsays; the foretelling of events;
      the art or practice of making predictions.
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            A damsel, possessed with a spirit of divination . .
            . which brought her masters much gain by
            soothsaying.                          --Acts xvi.
                                                  16.
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   3. A prediction; a prophecy; a prognostication.
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            Divinations and soothsayings and dreams are vain.
                                                  --Eclus.
                                                  xxxiv. 5.
      [1913 Webster]

WordNet (r) 3.0 (2006):

soothsaying
    n 1: the art or gift of prophecy (or the pretense of prophecy)
         by supernatural means [syn: divination, foretelling,
         soothsaying, fortune telling]