noun. A substance which promotes a flow of bile, by increasing its secretion, by facilitating the flow from the gall-bladder into the duodenum, or by quickening peristalsis, and so hurrying the bile through the intestines before it or its constituents are absorbed.

adjective. Promoting the discharge of bile from the system.

noun. Any agent that promotes the discharge of bile.

"This may be the case for laxatives, cough mixtures, anti-diarrhoea, cholagogue and dermatological preparations."

barbiturate  bellyful  calomel  chain-smoke  chlorodyne