The Collaborative International Dictionary of English v.0.48:

Misapprehend \Mis*ap`pre*hend"\, v. t.
   To take in a wrong sense; to misunderstand. --Locke.
   [1913 Webster]

WordNet (r) 3.0 (2006):

misapprehend
    v 1: interpret in the wrong way; "Don't misinterpret my comments
         as criticism"; "She misconstrued my remarks" [syn:
         misconstrue, misinterpret, misconceive,
         misunderstand, misapprehend, be amiss]

Moby Thesaurus II by Grady Ward, 1.0:

33 Moby Thesaurus words for "misapprehend":
   contort, distort, garble, get one wrong, get wrong, gloss,
   make a miscue, make a mistake, misapply, miscite, misconceive,
   misconstrue, miscue, misdeem, misexplain, misexplicate, misexpound,
   misidentify, misinterpret, misjudge, misquote, misread, misrender,
   miss, mistake, mistranslate, misunderstand, pervert, squeeze,
   strain the sense, torture, twist the words, wrench