The Collaborative International Dictionary of English v.0.48:

Scorn \Scorn\ (sk[^o]rn), n. [OE. scorn, scarn, scharn, OF.
   escarn, escharn, eschar, of German origin; cf. OHG. skern
   mockery, skern[=o]n to mock; but cf. also OF. escorner to
   mock.]
   1. Extreme and lofty contempt; haughty disregard; that
      disdain which springs from the opinion of the utter
      meanness and unworthiness of an object.
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            Scorn at first makes after love the more. --Shak.
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            And wandered backward as in scorn,
            To wait an aeon to be born.           --Emerson.
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   2. An act or expression of extreme contempt.
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            Every sullen frown and bitter scorn
            But fanned the fuel that too fast did burn.
                                                  --Dryden.
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   3. An object of extreme disdain, contempt, or derision.
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            Thou makest us a reproach to our neighbors, a scorn
            and a derision to them that are round about us.
                                                  --Ps. xliv.
                                                  13.
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   To think scorn, to regard as worthy of scorn or contempt;
      to disdain. "He thought scorn to lay hands on Mordecai
      alone." --Esther iii. 6.

   To laugh to scorn, to deride; to make a mock of; to
      ridicule as contemptible.
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   Syn: Contempt; disdain; derision; contumely; despite; slight;
        dishonor; mockery.
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The Collaborative International Dictionary of English v.0.48:

Laugh \Laugh\, v. t.
   1. To affect or influence by means of laughter or ridicule.
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            Will you laugh me asleep, for I am very heavy?
                                                  --Shak.
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            I shall laugh myself to death.        --Shak.
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   2. To express by, or utter with, laughter; -- with out.
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            From his deep chest laughs out a loud applause.
                                                  --Shak.
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   To laugh away.
      (a) To drive away by laughter; as, to laugh away regret.
      (b) To waste in hilarity. "Pompey doth this day laugh away
          his fortune." --Shak.

   To laugh down.
      (a) To cause to cease or desist by laughter; as, to laugh
          down a speaker.
      (b) To cause to be given up on account of ridicule; as, to
          laugh down a reform.

   To laugh one out of, to cause one by laughter or ridicule
      to abandon or give up; as, to laugh one out of a plan or
      purpose.

   To laugh to scorn, to deride; to treat with mockery,
      contempt, and scorn; to despise.
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