The Collaborative International Dictionary of English v.0.48:

Divulge \Di*vulge"\, v. t. [imp. & p. p. Divulged; p. pr. &
   vb. n. Divulging.] [F. divulguer, L. divulgare; di- = dis-
   + vulgare to spread among the people, from vulgus the common
   people. See Vulgar.]
   1. To make public; to several or communicate to the public;
      to tell (a secret) so that it may become generally known;
      to disclose; -- said of that which had been confided as a
      secret, or had been before unknown; as, to divulge a
      secret.
      [1913 Webster]

            Divulge not such a love as mine.      --Cowper.
      [1913 Webster]

   2. To indicate publicly; to proclaim. [R.]
      [1913 Webster]

            God . . . marks
            The just man, and divulges him through heaven.
                                                  --Milton.
      [1913 Webster]

   3. To impart; to communicate.
      [1913 Webster]

            Which would not be
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            To them [animals] made common and divulged.
                                                  --Milton.

   Syn: To publish; disclose; discover; uncover; reveal;
        communicate; impart; tell.
        [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Divulge \Di*vulge"\, v. i.
   To become publicly known. [R.] "To keep it from divulging."
   --Shak.
   [1913 Webster]

WordNet (r) 3.0 (2006):

divulge
    v 1: make known to the public information that was previously
         known only to a few people or that was meant to be kept a
         secret; "The auction house would not disclose the price at
         which the van Gogh had sold"; "The actress won't reveal how
         old she is"; "bring out the truth"; "he broke the news to
         her"; "unwrap the evidence in the murder case" [syn:
         unwrap, disclose, let on, bring out, reveal,
         discover, expose, divulge, break, give away, let
         out]

Moby Thesaurus II by Grady Ward, 1.0:

82 Moby Thesaurus words for "divulge":
   affect, air, betoken, betray, brandish, break it to,
   break the news, breathe, bring forth, bring forward,
   bring into view, bring out, bring to notice, broach, come out with,
   confide, confide to, dangle, demonstrate, develop, disclose,
   discover, display, divulgate, dramatize, embody, enact, evidence,
   evince, evulgate, exhibit, expose to view, express, flaunt,
   flourish, give away, give out, give sign, give token, give vent to,
   gossip, highlight, illuminate, incarnate, indicate, let get around,
   let in on, let out, make clear, make known, make plain,
   make public, manifest, materialize, mean, mouth, open up, out with,
   parade, perform, present, proclaim, produce, publish, put out,
   represent, reveal, roll out, set forth, show, show forth, spill,
   spotlight, tattle, tell, token, trot out, unfold, utter, vent,
   ventilate, wave