The Collaborative International Dictionary of English v.0.48:

Misquote \Mis*quote"\, v. t. & i.
   To quote erroneously or incorrectly. --Shak.
   [1913 Webster]

WordNet (r) 3.0 (2006):

misquote
    n 1: an incorrect quotation [syn: misquotation, misquote]
    v 1: quote incorrectly; "He had misquoted the politician"

Moby Thesaurus II by Grady Ward, 1.0:

73 Moby Thesaurus words for "misquote":
   belie, burlesque, camouflage, caricature, color, contort, disguise,
   distort, do amiss, dress up, embellish, embroider, exaggerate,
   falsify, fudge, garble, get one wrong, get wrong, gild, gloss,
   gloss over, mask, misapply, misapprehend, miscall, miscite,
   miscolor, misconceive, misconduct, misconstrue, miscount, misdeal,
   misdeem, misemploy, misexplain, misexplicate, misexpound, misfield,
   misinterpret, misjudge, mismanage, misplay, misprint, misread,
   misrender, misreport, misrepresent, misspell, misstate, mistake,
   misteach, mistranslate, misunderstand, misuse, overdraw, overstate,
   parody, pervert, slant, squeeze, strain, strain the sense,
   titivate, torture, travesty, trick out, twist, twist the words,
   understate, varnish, warp, whitewash, wrench