purification

noun

1. 1

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

   purification through repentance

2. 2

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

3. 3

   the act of cleaning by getting rid of impurities

4. 4

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