The Collaborative International Dictionary of English v.0.48:

Publicity \Pub*lic"i*ty\, n. [Cf. F. publicit['e].]
   The quality or state of being public, or open to the
   knowledge of a community; notoriety; publicness.
   [1913 Webster]

WordNet (r) 3.0 (2006):

publicity
    n 1: a message issued in behalf of some product or cause or idea
         or person or institution; "the packaging of new ideas"
         [syn: promotion, publicity, promotional material,
         packaging]
    2: the quality of being open to public view; "the publicity of
       the court room"

Moby Thesaurus II by Grady Ward, 1.0:

104 Moby Thesaurus words for "publicity":
   PR, acclaim, account, acquaintance, advertising, announcement,
   ballyhoo, blue book, blurb, briefing, bright light, broadcasting,
   buildup, bulletin, celebrity, character, commercial,
   common knowledge, communication, communique, cry, currency, data,
   datum, daylight, directory, dispatch, eclat, enlightenment,
   evidence, exposure, facts, factual information, fame,
   familiarization, famousness, figure, gen, general information,
   glare, glory, guidebook, handout, hard information, hard sell,
   hoopla, hue and cry, incidental information, info, information,
   instruction, intelligence, knowledge, kudos, light, limelight,
   maximum dissemination, mention, message, name, notice,
   notification, notoriety, notoriousness, plug, popularity,
   presentation, press notice, press-agentry, promotion,
   promotional material, promulgation, proof, propaganda, public eye,
   public knowledge, public relations, public report, publication,
   publicity story, publicness, puff, puffery, reclame, recognition,
   release, renown, report, reputation, repute, sidelight, spotlight,
   statement, the bubble reputation, the dope, the goods, the know,
   the scoop, transmission, vogue, white book, white paper, word,
   write-up