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.
God dwelleth in us, and his love is perfect in us. --1
John iv. 12.
Inquire into the nature and properties of the things, .
. . and thereby perfect our ideas of their distinct
Perfecting press (Print.), a press in which the printing on
both sides of the paper is completed in one passage
through the machine.
Syn: To finish; accomplish; complete; consummate.
[1913 Webster] perfectibility