purgation

pur·ga·tion  (pûr-gshn)

n.

The act of purging or purifying.

Thesaurus

Noun	1.	purgation - purging the body by the use of a cathartic to stimulate evacuation of the bowels katharsis, catharsis purging, purge - an act of removing by cleansing; ridding of sediment or other undesired elements
	2.	purgation - a ceremonial cleansing from defilement or uncleanness by the performance of appropriate rites purification ceremony - the proper or conventional behavior on some solemn occasion; "an inaugural ceremony"
	3.	purgation - the act of clearing yourself (or another) from some stigma or charge purge, purging purification - the act of purging of sin or guilt; moral or spiritual cleansing; "purification through repentance" clearing - the act of freeing from suspicion