Source : Webster's Revised Unabridged Dictionary (1913)

Annunciate \An*nun"ci*ate\, v. t. [imp. & p. p. {Annunciated};
   p. pr. & vb. n. {Annunciating}.] [L. annuntiare. See
   {Announce}.]
   To announce.

Annunciate \An*nun"ci*ate\, p. p. & a.
   Foretold; preannounced. [Obs.] --Chaucer.

Source : WordNet®

annunciate
     v : foreshadow or presage [syn: {announce}, {harbinger}, {foretell},
          {herald}]