Yes, correct is a Scrabble word!

Adjective

1. Free from error; especially conforming to fact or truth

2. Socially right or correct

3. In accord with accepted standards of usage or procedure

4. Correct in opinion or judgment

Verb

1. Make right or correct

2. Make reparations or amends for

3. Censure severely

4. Adjust for

5. Punish in order to gain control or enforce obedience

6. Go down in value

7. Alter or regulate so as to achieve accuracy or conform to a standard

8. Treat a defect