The Collaborative International Dictionary of English v.0.48:

Transmute \Trans*mute"\, v. t. [imp. & p. p. Transmuted; p.
   pr. & vb. n. Transmuting.] [L. transmutare, transmutatum;
   trans across + mutare to change. See Mutable, and cf.
   Transmew.]
   To change from one nature, form, or substance, into another;
   to transform.
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         The caresses of parents and the blandishments of
         friends transmute us into idols.         --Buckminster.
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         Transmuting sorrow into golden joy
         Free from alloy.                         --H. Smith.
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