Buy

Webster's Dictionary of the English Language

·vi To negotiate or treat about a purchase.

II. Buy ·vt To acquire or procure by something given or done in exchange, literally or figuratively; to get, at a cost or sacrifice; to buy pleasure with pain.

III. Buy ·vt To acquire the ownership of (property) by giving an accepted price or consideration therefor, or by agreeing to do so; to acquire by the payment of a price or value; to Purchase;

— opposed to sell.