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Synonyms for Purgation (same or very similar meaning)

WordNet sense 1 (purging the body by the use of a cathartic to stimulate evacuation of the bowels):
catharsis, katharsis

WordNet sense 2 (a ceremonial cleansing from defilement or uncleanness by the performance of appropriate rites):

WordNet sense 3 (the act of clearing yourself (or another) from some stigma or charge):
purge, purging

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