purification

英[,pjʊərɪfɪ'keɪʃən] 美[,pjʊrəfə'keʃən]

1. the act of cleaning by getting rid of impurities

2. the process of removing impurities (as from oil or metals or sugar etc.)

3. a ceremonial cleansing from defilement or uncleanness by the performance of appropriate rites

4. the act of purging of sin or guilt; moral or spiritual cleansing;

"purification through repentance"