correct
adjective[L., to set right; right, straight. See Right.]
Literally, set right, or made straight. Hence, right; conformable to truth, rectitude or propriety, or conformable to a just standard; not faulty; free from error. A correct edition of a book is exactly according to the original copy. Correct manners correspond with the rules of morality and received notions of decorum. Correct principles coincide with the truth. Correct language is agreeable to established usage.