In medicine, a<unk>  is a substance which accelerates defecation.
This is in contrast to a laxative, which is a substance which eases defecation, usually by softening the stool. It is possible for a substance to be both a laxative and a<unk> . However, agents such as psyllium seed husks increase the bulk of the stool.<unk> s such as sorbitol are sometimes used in response to poisoning.
As an adjective,<unk>  means psychotherapeutic, healthful, emotionally beneficial; releasing; emotionally purging: viewing art or listening to music may be a kind of<unk>  experience.
In general<unk> s are;
bulk<unk>   one stimulating bowel evacuation by increasing fecal volume.
lubricant<unk>   one that acts by softening the feces and reducing friction between them and the intestinal wall.
saline<unk>   one that increases fluidity of intestinal contents by retention of water by osmotic forces and indirectly increases motor activity.
stimulant<unk>   one that directly increases motor activity of the intestinal tract.
Cathartic
Inhalant
Phytochemical
Heroic
Liquid
Food additive
Geothermal
Antimicrobial