'Perfecter' definitions:

Definition of 'perfecter'

From: WordNet
noun
A skilled worker who perfects something; "although not the inventor he must be recognized as the perfecter of this technique"

Definition of 'Perfecter'

From: GCIDE
  • Perfecter \Per"fect*er\, n. One who, or that which, makes perfect. "The . . . perfecter of our faith." --Barrow. [1913 Webster]