The Collaborative International Dictionary of English v.0.48:

Disguise \Dis*guise"\ (?; 232), v. t. [imp. & p. p. Disguised;
   p. pr. & vb. n. Disguising.] [OE. desguisen, disgisen,
   degisen, OF. desguisier, F. d['e]guiser; pref. des- (L. dis-)
   + guise. See Guise.]
   1. To change the guise or appearance of; especially, to
      conceal by an unusual dress, or one intended to mislead or
      deceive.
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            Bunyan was forced to disguise himself as a wagoner.
                                                  --Macaulay.
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   2. To hide by a counterfeit appearance; to cloak by a false
      show; to mask; as, to disguise anger; to disguise one's
      sentiments, character, or intentions.
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            All God's angels come to us disguised. --Lowell.
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   3. To affect or change by liquor; to intoxicate.
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            I have just left the right worshipful, and his
            myrmidons, about a sneaker of five gallons; the
            whole magistracy was pretty well disguised before I
            gave them the ship.                   --Spectator.

   Syn: To conceal; hide; mask; dissemble; dissimulate; feign;
        pretend; secrete. See Conceal.
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The Collaborative International Dictionary of English v.0.48:

Disguising \Dis*guis"ing\, n.
   A masque or masquerade. [Obs.]
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