名詞 reformation:

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
   同義詞：Protestant Reformation
3. rescuing from error and returning to a rightful course
   同義詞：reclamation

1. The reformation of criminals has produced an obvious result.
   對罪犯的改造有了明顯的效果。

ref.or.ma.tion

n.（名詞）
Abbr. ref.The act of reforming or the state of being reformed.
縮寫 ref.改革：改革的行為或被改革的狀態(tài)
Reformation A 'th-century movement in Western Europe that aimed at reforming some doctrines and practices of the Roman Catholic Church and resulted in the establishment of the Protestant churches.
Reformation 宗教改革：'世紀西歐旨在改革羅馬天主教某些教義和作法的改革運動，最終造成新教的建立

【引伸】
ref.orma.tional
adj.（形容詞）