Yes, purge is a Scrabble word!

Verb

1. Oust politically

2. Clear of a charge

3. Make pure or free from sin or guilt

4. Rid of impurities

5. Rinse, clean, or empty with a liquid

6. Eject the contents of the stomach through the mouth

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

Noun

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

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

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