Source : Webster's Revised Unabridged Dictionary (1913)

Reformation \Ref`or*ma"tion\ (r?f`?r*m?"sh?n), n. [F.
   r['e]formation, L. reformatio.]
   1. The act of reforming, or the state of being reformed;
      change from worse to better; correction or amendment of
      life, manners, or of anything vicious or corrupt; as, the
      reformation of manners; reformation of the age;
      reformation of abuses.

            Satire lashes vice into reformation.  --Dryden.

Source : WordNet®

reformation
     n 1: improvement (or an intended improvement) in the existing
          form or condition of institutions or practices etc.;
          intended to make a striking change for the better in
          social or political or religious affairs
     2: a religious movement of the 16th century that began as an
        attempt to reform the Roman Catholic Church and resulted
        in the creation of Protestant churches [syn: {Protestant
        Reformation}]
     3: rescuing from error and returning to a rightful course; "the
        reclamation of delinquent children" [syn: {reclamation}]