purge

An act of removing by cleansing; ridding of sediment or other undesired elements.

The act of clearing yourself (or another) from some stigma or charge.

An abrupt or sudden removal of a person or group from an organization or place.

“he died in a purge by Stalin”

Rid of impurities.

“purge the water”

“purge your mind”

Rinse, clean, or empty with a liquid.

“purge the old gas tank”

Eject the contents of the stomach through the mouth.

“He purged continuously”

Make pure or free from sin or guilt.

Clear of a charge.

Excrete or evacuate (someone's bowels or body).

“The doctor decided that the patient must be purged”

Oust politically.

“Deng Xiao Ping was purged several times throughout his lifetime”