Source : Webster's Revised Unabridged Dictionary (1913)

Fateful \Fate"ful\, a. .
   Having the power of serving or accomplishing fate. ``The
   fateful steel.'' --J. Barlow.

   2. Significant of fate; ominous.

            The fateful cawings of the crow.      --Longfellow.
      -- {Fate"ful*ly}, adv.- {Fate"ful*ness}, n.