purification purification /ˌpjʊrəfəˈkeɪʃən/

noun

1. () The act of cleaning by getting rid of impurities  ( purification )
   the act of cleaning by getting rid of impurities
   
2. The act of purging of sin or guilt; moral or spiritual cleansing  ( purification )
   the act of purging of sin or guilt; moral or spiritual cleansing
    Purification through repentance
   purification through repentance
   
3. A ceremonial cleansing from defilement or uncleanness by the performance of appropriate rites  ( purgation , purification )
   a ceremonial cleansing from defilement or uncleanness by the performance of appropriate rites
   
4. The process of removing impurities (as from oil, metals or sugar etc.)  ( purification , refinement , refining )
   the process of removing impurities (as from oil, metals or sugar etc.)