emaculate

from The Collaborative International Dictionary of English v.0.48

Emaculate \E*mac"u*late\, v. t. [L. emaculatus, p. p. of
   emaculare to clear from spots. See {Maculate}.]
   To clear from spots or stains, or from any imperfection.
   [Obs.] --Hales.
   [1913 Webster]