Source : Webster's Revised Unabridged Dictionary (1913)

Announce \An*nounce"\, v. t. [imp. & p. p. {Announced}; p. pr. &
   vb. n. {Announcing}.] [OF. anoncier, F. annoncer, fr. L.
   annuntiare; ad + nuntiare to report, relate, nuntius
   messenger, bearer of news. See {Nuncio}, and cf.
   {Annunciate}.]
   1. To give public notice, or first notice of; to make known;
      to publish; to proclaim.

            Her [Q. Elizabeth's] arrival was announced through
            the country by a peal of cannon from the ramparts.
                                                  --Gilpin.

   2. To pronounce; to declare by judicial sentence.

            Publish laws, announce Or life or death. --Prior.

   Syn: To proclaim; publish; make known; herald; declare;
        promulgate.

   Usage: To {Publish}, {Announce}, {Proclaim}, {Promulgate}. We
          {publish} what we give openly to the world, either by
          oral communication or by means of the press; as, to
          publish abroad the faults of our neighbors. We
          {announce} what we declare by anticipation, or make
          known for the first time; as, to {announce} the speedy
          publication of a book; to {announce} the approach or
          arrival of a distinguished personage. We {proclaim}
          anything to which we give the widest publicity; as, to
          {proclaim} the news of victory. We {promulgate} when
          we proclaim more widely what has before been known by
          some; as, to {promulgate} the gospel.

Source : WordNet®

announced
     adj : declared publicly; made widely known; "their announced
           intentions"; "the newspaper's proclaimed adherence to
           the government's policy" [syn: {proclaimed}]