Yes, done is a Scrabble word!

Adjective

1. Having finished or arrived at completion

2. Cooked until ready to serve

Verb

1. Engage in

2. Carry out or perform an action

3. Get (something) done

4. Proceed or get along

5. Give rise to; cause to happen or occur, not always intentionally

6. Carry out or practice; as of jobs and professions

7. Be sufficient; be adequate, either in quality or quantity

8. Create or design, often in a certain way

9. Behave in a certain manner; show a certain behavior; conduct or comport oneself

10. Spend time in prison or in a labor camp

11. Carry on or function

12. Arrange attractively

13. Travel or traverse (a distance)