To give money or other compensation to in exchange for goods or services.

“he paid her off the books and in kind where possible”

To discharge, as a debt or other obligation, by giving or doing what is due or required.

“he has paid his debt to society”

To be profitable for.

“It didn't pay him to keep the store open any more.”

To cover (the bottom of a vessel, a seam, a spar, etc.) with tar or pitch, or a waterproof composition of tallow, resin, etc.; to smear.

Payment