The Collaborative International Dictionary of English v.0.48:

perfected \perfected\ adj.
   1. Brought into final form; completely formed; -- of plans,
      ideas, etc.
      [WordNet 1.5]

   2. Refined to a state of excellence; -- of e.g. skills or the
      products of skills.

   Syn: finished.
        [WordNet 1.5]

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.
   [1913 Webster]

         God dwelleth in us, and his love is perfect in us. --1
                                                  John iv. 12.
   [1913 Webster]

         Inquire into the nature and properties of the things, .
         . . and thereby perfect our ideas of their distinct
         species.                                 --Locke.
   [1913 Webster]

   Perfecting press (Print.), a press in which the printing on
      both sides of the paper is completed in one passage
      through the machine.
      [1913 Webster]

   Syn: To finish; accomplish; complete; consummate.
        [1913 Webster] perfectibility

WordNet (r) 3.0 (2006):

perfected
    adj 1: (of plans, ideas, etc.) perfectly formed; "a graceful but
           not yet fully perfected literary style"