reformation
noun
                                                                                                                            
                                                            ref·or·ma·tion
                    
                                                                                                              
                                                                                                                                  ˌre-fər-ˈmā-shən  
                                                      
                                                          
            2
                    
                                capitalized                                  
              
          
                                                      : a 16th century religious movement marked ultimately by rejection or modification of some Roman Catholic doctrine and practice and establishment of the Protestant churches                                      
                
                    
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