Yes, doing is a Scrabble word!

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)