The Collaborative International Dictionary of English v.0.48:

Dissolve \Dis*solve"\, v. t. [imp. & p. p. Dissolved; p. pr. &
   vb. n. Dissolving.] [L. dissolvere, dissolutum; dis- +
   solvere to loose, free. See Solve, and cf. Dissolute.]
   1. To separate into competent parts; to disorganize; to break
      up; hence, to bring to an end by separating the parts,
      sundering a relation, etc.; to terminate; to destroy; to
      deprive of force; as, to dissolve a partnership; to
      dissolve Parliament.
      [1913 Webster]

            Lest his ungoverned rage dissolve the life. --Shak.
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   2. To break the continuity of; to disconnect; to disunite; to
      sunder; to loosen; to undo; to separate.
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            Nothing can dissolve us.              --Shak.
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            Down fell the duke, his joints dissolved asunder.
                                                  --Fairfax.
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            For one people to dissolve the political bands which
            have connected them with another.     --The
                                                  Declaration of
                                                  Independence.
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   3. To convert into a liquid by means of heat, moisture,
      etc.,; to melt; to liquefy; to soften.
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            As if the world were all dissolved to tears. --Shak.
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   4. To solve; to clear up; to resolve. "Dissolved the
      mystery." --Tennyson.
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            Make interpretations and dissolve doubts. --Dan. v.
                                                  16.
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   5. To relax by pleasure; to make powerless.
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            Angels dissolved in hallelujahs lie.  --Dryden.
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   6. (Law) To annul; to rescind; to discharge or release; as,
      to dissolve an injunction.

   Syn: See Adjourn.
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The Collaborative International Dictionary of English v.0.48:

Dissolve \Dis*solve"\, v. i.
   1. To waste away; to be dissipated; to be decomposed or
      broken up.
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   2. To become fluid; to be melted; to be liquefied.
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            A figure
            Trenched in ice, which with an hour's heat
            Dissolves to water, and doth lose his form. --Shak.
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   3. To fade away; to fall to nothing; to lose power.
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            The charm dissolves apace.            --Shak.
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WordNet (r) 3.0 (2006):

dissolve
    n 1: (film) a gradual transition from one scene to the next; the
         next scene is gradually superimposed as the former scene
         fades out
    v 1: become weaker; "The sound faded out" [syn: dissolve,
         fade out, fade away]
    2: cause to go into a solution; "The recipe says that we should
       dissolve a cup of sugar in two cups of water" [syn:
       dissolve, resolve, break up]
    3: come to an end; "Their marriage dissolved"; "The tobacco
       monopoly broke up" [syn: dissolve, break up]
    4: stop functioning or cohering as a unit; "The political wing
       of the party dissolved after much internal fighting" [syn:
       disband, dissolve]
    5: cause to lose control emotionally; "The news dissolved her
       into tears"
    6: lose control emotionally; "She dissolved into tears when she
       heard that she had lost all her savings in the pyramid
       scheme"
    7: cause to fade away; "dissolve a shot or a picture"
    8: pass into a solution; "The sugar quickly dissolved in the
       coffee"
    9: become or cause to become soft or liquid; "The sun melted the
       ice"; "the ice thawed"; "the ice cream melted"; "The heat
       melted the wax"; "The giant iceberg dissolved over the years
       during the global warming phase"; "dethaw the meat" [syn:
       dissolve, thaw, unfreeze, unthaw, dethaw, melt]
    10: bring the association of to an end or cause to break up;
        "The decree officially dissolved the marriage"; "the judge
        dissolved the tobacco company" [syn: dissolve, break up]
    11: declare void; "The President dissolved the parliament and
        called for new elections" [syn: dissolve, dismiss]

Moby Thesaurus II by Grady Ward, 1.0:

187 Moby Thesaurus words for "dissolve":
   ablate, abrogate, adjourn, annihilate, atomize, attenuate,
   be annihilated, be consumed, be destroyed, be gone, be no more,
   be wiped out, blow off, break into, break up, bring to ruin,
   cast forth, cease, cease to be, cease to exist, cipher, clear away,
   clear up, collapse, colliquate, come apart, conclude, condemn,
   confound, consume, corrode, crack up, crumble, crumble into dust,
   cut, damn, deactivate, deal destruction, debrief, decay, decimate,
   decipher, decline, decoagulate, decoct, decompose, deliquesce,
   dematerialize, demob, demobilize, demolish, depart, depredate,
   desolate, despoil, destroy, detach, devastate, devour, die,
   die away, die out, diffuse, dilute, diminish, disappear, disband,
   discharge, disintegrate, disjoin, dismiss, disorganize, dispel,
   disperse, dissipate, do a fade-out, dope out, drive away, dwindle,
   engorge, erode, evanesce, evaporate, exit, expire, fade, fade away,
   fade out, fall to pieces, figure out, finish, fission, flee,
   fluidify, fluidize, flux, fly, fuse, go, go away, go separate ways,
   gobble, gobble up, gut, gut with fire, havoc, hide,
   hold in solution, incinerate, infuse, lay in ruins, lay waste,
   leach, leave no trace, leave the scene, let go, liquefy, liquesce,
   liquidate, liquidize, lixiviate, melt, melt away, melt down,
   melt into, molder, muster out, part, part company, pass, pass away,
   pass out, percolate, perish, peter out, prorogate, prorogue,
   puzzle out, quash, ravage, recess, release, resolve,
   retire from sight, ruin, ruinate, run, scatter, separate, shatter,
   shipwreck, shoot, sink, sink away, solubilize, solve, split,
   split up, sublime, suffer an eclipse, swallow up, terminate, thaw,
   thin, thin out, throw into disorder, unclot, unfold,
   unleash destruction, unleash the hurricane, unravel, upheave,
   vacate, vandalize, vanish, vanish from sight, vaporize, vise, void,
   volatilize, waste, waste away, wear away, wind up, wrack,
   wreak havoc, wreck