noun (n)

• purging the body by the use of a cathartic to stimulate evacuation of the bowels(noun.act)

  Synonym:
  catharsis, katharsis
  

  source: wordnet30
• a ceremonial cleansing from defilement or uncleanness by the performance of appropriate rites(noun.act)

  Synonym:
  purification
  

  source: wordnet30
• the act of clearing yourself (or another) from some stigma or charge(noun.act)

  Synonym:
  purge, purging
  

  source: wordnet30
• The act of purging; the act of clearing, cleansing, or putifying, by separating and carrying off impurities, or whatever is superfluous; the evacuation of the bowels.(noun)

  source: webster1913