Yes, stayed is a Scrabble word!

Verb

1. Stay the same; remain in a certain state

2. Stay put (in a certain place); we are not moving to Cincinnati"

3. Dwell

4. Continue in a place, position, or situation

5. Remain behind

6. Stop or halt

7. Stay behind

8. Hang on during a trial of endurance

9. Stop a judicial process

10. Fasten with stays

11. Overcome or allay