The Collaborative International Dictionary of English v.0.48:

Mock \Mock\, n.
   1. An act of ridicule or derision; a scornful or contemptuous
      act or speech; a sneer; a jibe; a jeer.
      [1913 Webster]

            Fools make a mock at sin.             --Prov. xiv.
                                                  9.
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   2. Imitation; mimicry. [R.] --Crashaw.
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The Collaborative International Dictionary of English v.0.48:

Mock \Mock\, a.
   Imitating reality, but not real; false; counterfeit; assumed;
   sham.
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         That superior greatness and mock majesty. --Spectator.
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   Mock bishop's weed (Bot.), a genus of slender umbelliferous
      herbs (Discopleura) growing in wet places.

   Mock heroic, burlesquing the heroic; as, a mock heroic
      poem.

   Mock lead. See Blende (
   a ).

   Mock nightingale (Zool.), the European blackcap.

   Mock orange (Bot.), a genus of American and Asiatic shrubs
      (Philadelphus), with showy white flowers in panicled
      cymes. Philadelphus coronarius, from Asia, has fragrant
      flowers; the American kinds are nearly scentless.

   Mock sun. See Parhelion.

   Mock turtle soup, a soup made of calf's head, veal, or
      other meat, and condiments, in imitation of green turtle
      soup.

   Mock velvet, a fabric made in imitation of velvet. See
      Mockado.
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The Collaborative International Dictionary of English v.0.48:

Mock \Mock\, v. t. [imp. & p. p. Mocked; p. pr. & vb. n.
   Mocking.] [F. moquer, of uncertain origin; cf. OD. mocken
   to mumble, G. mucken, OSw. mucka.]
   1. To imitate; to mimic; esp., to mimic in sport, contempt,
      or derision; to deride by mimicry.
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            To see the life as lively mocked as ever
            Still sleep mocked death.             --Shak.
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            Mocking marriage with a dame of France. --Shak.
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   2. To treat with scorn or contempt; to deride.
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            Elijah mocked them, and said, Cry aloud. --1 Kings
                                                  xviii. 27.
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            Let not ambition mock their useful toil. --Gray.
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   3. To disappoint the hopes of; to deceive; to tantalize; as,
      to mock expectation.
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            Thou hast mocked me, and told me lies. --Judg. xvi.
                                                  13.
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            He will not . . .
            Mock us with his blest sight, then snatch him hence.
                                                  --Milton.
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   Syn: To deride; ridicule; taunt; jeer; tantalize; disappoint.
        See Deride.
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The Collaborative International Dictionary of English v.0.48:

Mock \Mock\, v. i.
   To make sport in contempt or in jest; to speak in a scornful
   or jeering manner.
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         When thou mockest, shall no man make thee ashamed?
                                                  --Job xi. 3.
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         She had mocked at his proposal.          --Froude.
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WordNet (r) 3.0 (2006):

mock
    adj 1: constituting a copy or imitation of something; "boys in
           mock battle"
    n 1: the act of mocking or ridiculing; "they made a mock of him"
    v 1: treat with contempt; "The new constitution mocks all
         democratic principles" [syn: mock, bemock]
    2: imitate with mockery and derision; "The children mocked their
       handicapped classmate"

Moby Thesaurus II by Grady Ward, 1.0:

316 Moby Thesaurus words for "mock":
   Parthian shot, abuse, adopt, affect, affected, affront, alike,
   alternate, alternative, ape, aped, apocryphal, appropriate,
   artificial, aspersion, assume, assumed, atrocity, back answer,
   backup, bamboozle, barrack, bastard, be merry with, beguile,
   betray, bluff, bogus, brickbat, brummagem, buffoon, burlesque,
   butt, cajole, call names, caricature, caustic remark, chaff, cheat,
   cheat on, circumvent, clinquant, colorable, colored, comeback,
   conjure, consimilar, contempt, contumely, copied, copy, copycat,
   counterfeit, counterfeited, crack, crack a joke, crack wise, cut,
   cut at, cutting remark, deceive, decry, defy, delude, deride,
   derision, derive from, despite, diddle, dig, dig at, disdain,
   dishonor, disoblige, disparage, distorted, double-cross,
   dressed up, dummy, dump, dump on, dupe, embellished, embroidered,
   enormity, equivalent, ersatz, factitious, fake, faked, fakement,
   false, falsified, farce, favoring, feign, feigned, fictitious,
   fictive, fleer, fleer at, flout, flouting, following, foolery,
   forestall, forged, forgery, frame-up, fraud, fraudulent, fun,
   gammon, garbled, get around, gibe, gibe at, gibing retort,
   give offense to, gull, guy, hit off, hit off on, hoax, hocus-pocus,
   hokey, homogeneous, hornswaggle, humbug, humiliate, humiliation,
   hurl a brickbat, identical, illegitimate, imitate, imitated,
   imitation, impersonate, impostor, indignity, infringe, injury,
   insult, jab, jab at, jape, jeer, jeer at, jeering, jest, jester,
   jibe at, joke, josh, juggle, junk, junky, kid, kid around, lampoon,
   laugh at, leg-pull, let down, like, lout, make a funny, make fun,
   make fun of, make use of, make-believe, makeshift, man-made, mime,
   mimic, mimicked, misapprehend, misconceive, misconstrue,
   misexplain, misinterpret, mislead, misread, mistake, mistranslate,
   mockery, nearly reproduced, not unlike, offend, offense,
   outmaneuver, outrage, outreach, outsmart, outwit, overreach,
   parody, parrot, parting shot, paste, perverted, phony, pigeon,
   pilgarlic, pinch, pinchbeck, pirate, plagiarize, plagiarized,
   play on words, play one false, poke fun at, pooh, pooh-pooh,
   pretend, pretended, provisional, proxy, pseudo, pun, put down,
   put something over, put-down, put-on, put-up job, quasi, queer,
   quip, quiz, rag, rail at, rally, rank out, razz, resembling,
   reserve, revile, rib, ridicule, rip-off, rude reproach, satirize,
   scintillate, scoff, scoff at, scorn, scout, scurrility, secondary,
   self-styled, sell out, send up, sham, shoddy, short answer,
   similar, simulacrum, simulate, simulated, slam, slap, slap at,
   smacking of, sneer, sneer at, snow, so-called, soi-disant,
   something like, spare, sparkle, spoof, sport, spurious, steal,
   stopgap, string along, substitute, suggestive of, supposititious,
   swindle, swipe, synthetic, take, take in, take off, take off on,
   take on, take over, tantalize, taunt, tease, temporary, tentative,
   tin, tinsel, titivated, token, travesty, treat with indignity,
   trick, twisted, twit, two-time, unauthentic,
   uncomplimentary remark, ungenuine, uniform with, unnatural, unreal,
   utility, utter a mot, verbal thrust, vicarious, warped,
   whited sepulcher, wisecrack