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.
To change from one nature, form, or substance, into another;
The caresses of parents and the blandishments of
friends transmute us into idols. --Buckminster.
Transmuting sorrow into golden joy
Free from alloy. --H. Smith.