What is the meaning of Reformation?

An 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, political or religious affairs or in the conduct of persons or operation of organizations.

Change or correction, by a court in equity, to a written instrument to conform to the original intention of the parties.

Alternative form of re-formation.

re-formation

Source: wiktionary.org