The Collaborative International Dictionary of English v.0.48:

Disclose \Dis*close"\, v. t. [imp. & p. p. Disclosed; p. pr. &
   vb. n. Disclosing.] [OE. desclosen, disclosen, fr. disclos,
   desclos, not shut in, open, OF. desclos, p. p. of desclore to
   open, F. d['e]clore; pref. des- (L. dis-) + clore to shut,
   fr. L. claudere to shut. See Close, and cf. Disclusion.]
   1. To unclose; to open; -- applied esp. to eggs in the sense
      of to hatch.
      [1913 Webster]

            The ostrich layeth her eggs under sand, where the
            heat of the discloseth them.          --Bacon.
      [1913 Webster]

   2. To remove a cover or envelope from;; to set free from
      inclosure; to uncover.
      [1913 Webster]

            The shells being broken, . . . the stone included in
            them is thereby disclosed and set at liberty.
                                                  --Woodward.
      [1913 Webster]

   3. To lay open or expose to view; to cause to appear; to
      bring to light; to reveal.
      [1913 Webster]

            How softly on the Spanish shore she plays,
            Disclosing rock, and slope, and forest brown!
                                                  --Byron.
      [1913 Webster]

            Her lively looks a sprightly mind disclose. --Pope.
      [1913 Webster]

   4. To make known, as that which has been kept secret or
      hidden; to reveal; to expose; as, events have disclosed
      his designs.
      [1913 Webster]

            If I disclose my passion,
            Our friendship 's an end.             --Addison.

   Syn: To uncover; open; unveil; discover; reveal; divulge;
        tell; utter.
        [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Disclose \Dis*close"\, n.
   Disclosure. [Obs.] --Shak. Young.
   [1913 Webster]

WordNet (r) 3.0 (2006):

disclose
    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]
    2: disclose to view as by removing a cover; "The curtain rose to
       disclose a stunning set" [syn: disclose, expose]

Moby Thesaurus II by Grady Ward, 1.0:

228 Moby Thesaurus words for "disclose":
   acknowledge, acquaint, admit, advertise, advertise of, advise,
   affect, affirm, allege, apprise, argue, articulate, asseverate,
   attest, aver, avouch, avow, bare, be indicative of,
   be significant of, be symptomatic of, bear witness, bespeak,
   betoken, betray, blab, blurt out, brandish, break the seal,
   breathe, brief, bring forth, bring forward, bring into view,
   bring out, bring to light, bring to notice, bring word, certify,
   characterize, chime, chorus, clear, come out with, communicate,
   confess, connote, convey, dangle, deliver, demonstrate, denominate,
   denote, deobstruct, depone, depose, develop, differentiate, dig up,
   discover, disinter, dismask, display, divulge, dramatize,
   draw the veil, embody, emit, enact, enlighten, entail, enunciate,
   evidence, evince, excavate, exhibit, exhume, expose,
   expose to view, express, familiarize, ferret out, fink, fish up,
   flaunt, fling off, flourish, formulate, free, give, give away,
   give evidence, give expression, give notice, give out with,
   give sign, give the facts, give token, give tongue, give utterance,
   give voice, give word, highlight, hint, identify, illuminate,
   impart, incarnate, indicate, inform, instruct, involve, lay bare,
   lay open, leak, leave word, let daylight in, let know, let out,
   let slip, lip, make clear, make plain, make public, manifest, mark,
   materialize, mean, mention to, mouth, note, notify, open, open up,
   out with, own, parade, patefy, peach, perform, phonate, phrase,
   pour forth, present, produce, pronounce, put forth, put in words,
   raise, raise the curtain, rat, release, report, represent, reveal,
   roll out, root up, say, send word, serve notice, set forth, show,
   show forth, show up, signify, snitch, sound, speak, spill,
   spill the beans, spotlight, squeak, squeal, stand for, strip bare,
   suggest, swear, symptomatize, symptomize, tell, testify, throw off,
   token, trot out, turn up, unblock, uncase, unclench, uncloak,
   unclog, unclothe, unclutch, uncork, uncover, uncurtain, undo,
   undrape, unearth, unfold, unfoul, unfurl, unkennel, unlatch,
   unlock, unmask, unpack, unplug, unroll, unscreen, unseal,
   unsheathe, unshroud, unshut, unstop, unveil, unwrap, utter,
   verbalize, verse, vocalize, voice, vouch, warrant, wave, whisper,
   witness, word, worm out