Yes, sold is a Scrabble word!

Adjective

1. Disposed of to a purchaser

Verb

1. Exchange or deliver for money or its equivalent

2. Be sold at a certain price or in a certain way

3. Persuade somebody to accept something

4. Do business; offer for sale as for one's livelihood

5. Give up for a price or reward

6. Be approved of or gain acceptance

7. Be responsible for the sale of

8. Deliver to an enemy by treachery