purification

noun

1.
the act of cleaning by getting rid of impurities
Derived from:
purify
2.
the process of removing impurities (as from oil or metals or sugar etc.)
refinement refining
Derived from:
purify
3.
a ceremonial cleansing from defilement or uncleanness by the performance of appropriate rites
cleanse purgation
Derived from:
purify
4.
the act of purging of sin or guilt; moral or spiritual cleansing
Derived from:
purify