(n.) A natural or artificial purgation of any passage, as of the mouth, bowels, etc.

BM abreaction abstersion acting-out bloody flux bowdlerization bowel movement cleaning cleansing crap defecation dejection deliverance detersion diarrhea discharge dry cleaning dysentery emotional release evacuation expurgation flux freeing intermission lientery loose bowels lustration motor abreaction movement outlet psychocatharsis psychodrama purgation purge purging purification release release therapy removal reprieve respite runs shit shits steam cleaning stool surcease suspension trots turistas voidance