misbelieve

from WordNet (r) 3.0 (2006)

misbelieve
    v 1: hold a false or unorthodox belief

from The Collaborative International Dictionary of English v.0.48

Misbelieve \Mis`be*lieve"\, v. i.
   To believe erroneously, or in a false religion. "That
   misbelieving Moor." --Shak.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

24 Moby Thesaurus words for "misbelieve":
      be in error, be mistaken, be wrong, deny, deviate, disbelieve,
      discredit, err, fall into error, gag on, go astray, go wrong,
      negate, not admit, not believe, not buy, not swallow,
      refuse to admit, refuse to credit, reject, serve Mammon, stray,
      unbelieve, wander

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