WordRel.com

• the act of cleaning by getting rid of impurities

  derivation	purify
  hypernym	cleaningcleansingcleanup

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

  derivation	purify
  hypernym	purgationpurgepurging

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

  synonym	purgation
  derivation	purify
  hypernym	ceremony

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

  synonym	refinementrefining
  derivation	purify
  hypernym	processing
  hyponym	rectification