The Collaborative International Dictionary of English v.0.48:

Advertise \Ad`ver*tise"\ (?; 277), v. t. [imp. & p. p.
   Advertised; p. pr. & vb. n. Advertising.] [F. avertir,
   formerly also spelt advertir, to warn, give notice to, L.
   advertere to turn to. The ending was probably influenced by
   the noun advertisement. See Advert.]
   To give notice to; to inform or apprise; to notify; to make
   known; hence, to warn; -- often followed by of before the
   subject of information; as, to advertise a man of his loss.
   [Archaic]
   [1913 Webster]

         I will advertise thee what this people shall do. --Num.
                                                  xxiv. 14.
   [1913 Webster]

   4. To give public notice of; to announce publicly, esp. by a
      printed notice; as, to advertise goods for sale, a lost
      article, the sailing day of a vessel, a political meeting.
      [1913 Webster]

   Syn: To apprise; inform; make known; notify; announce;
        proclaim; promulgate; publish.
        [1913 Webster]

WordNet (r) 3.0 (2006):

advertise
    v 1: call attention to; "Please don't advertise the fact that he
         has AIDS" [syn: advertise, publicize, advertize,
         publicise]
    2: make publicity for; try to sell (a product); "The salesman is
       aggressively pushing the new computer model"; "The company is
       heavily advertizing their new laptops" [syn: advertise,
       advertize, promote, push]

Moby Thesaurus II by Grady Ward, 1.0:

84 Moby Thesaurus words for "advertise":
   acquaint, advertise of, advise, air, announce, annunciate, apprise,
   ballyhoo, bark, bill, blazon, blazon forth, boost, brandish, brief,
   bring word, broadcast, bruit about, build up, bulletin,
   circularize, communicate, cry, cry up, dangle, demonstrate,
   disclose, display, emblazon, enlighten, establish, exhibit,
   familiarize, flash, flaunt, flourish, give a write-up, give notice,
   give publicity, give the facts, give word, hold up, impart, inform,
   instruct, leave word, let know, manifest, mention to, notify,
   parade, placard, plug, post, post bills, post up, press-agent,
   proclaim, promote, promulgate, propagandize, publicize, publish,
   puff, push, put forth, put forward, recount, relate, report, sell,
   send word, serve notice, sound, speak, spiel, sport, tell, trumpet,
   trumpet forth, vaunt, verse, wave, write up