How do you spell Retain

Available Definitions:
1)  v. t. - To continue to hold; to keep in possession; not to lose, part with, or dismiss; to retrain from departure, escape, or the like.
2)  v. t. - To keep in pay; to employ by a preliminary fee paid; to hire; to engage; as, to retain a counselor.
3)  v. t. - To restrain; to prevent.
4)  v. i. - To belong; to pertain.
5)  v. i. - To keep; to continue; to remain.