The Collaborative International Dictionary of English v.0.48:

Perfect \Per"fect\ (p[~e]r*f[e^]kt" or p[~e]r"f[e^]kt; 277), v.
   t. [imp. & p. p. Perfected; p. pr. & vb. n. Perfecting.]
   [L. perfectus, p. p. of perficere. See Perfect, a.]
   To make perfect; to finish or complete, so as to leave
   nothing wanting; to give to anything all that is requisite to
   its nature and kind.
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         God dwelleth in us, and his love is perfect in us. --1
                                                  John iv. 12.
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         Inquire into the nature and properties of the things, .
         . . and thereby perfect our ideas of their distinct
         species.                                 --Locke.
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   Perfecting press (Print.), a press in which the printing on
      both sides of the paper is completed in one passage
      through the machine.
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   Syn: To finish; accomplish; complete; consummate.
        [1913 Webster] perfectibility