资料来源 : Webster's Revised Unabridged Dictionary (1913)

Perfecter \Per"fect*er\, n.
   One who, or that which, makes perfect. ``The . . . perfecter
   of our faith.'' --Barrow.

资料来源 : WordNet®

perfecter
     n : a skilled worker who perfects somethings; "although not the
         inventor he must be recognized as the perfecter of this
         technique"