Yes, think is a Scrabble word!

Verb

1. Judge or regard; look upon; judge

2. Expect, believe, or suppose

3. Use or exercise the mind or one's power of reason in order to make inferences, decisions, or arrive at a solution or judgments

4. Recall knowledge from memory; have a recollection

5. Imagine or visualize

6. Focus one's attention on a certain state

7. Have in mind as a purpose

8. Decide by pondering, reasoning, or reflecting

9. Ponder; reflect on, or reason about

10. Dispose the mind in a certain way

11. Have or formulate in the mind

12. Be capable of conscious thought

13. Bring into a given condition by mental preoccupation

Noun

1. An instance of deliberate thinking