How do you spell Correlate

Available Definitions:
1)  v. i. - To have reciprocal or mutual relations; to be mutually related.
2)  v. t. - To put in relation with each other; to connect together by the disclosure of a mutual relation; as, to correlate natural phenomena.
3)  n. - One who, or that which, stands in a reciprocal relation to something else, as father to son; a correlative.