Gratuitous release; a release from financial obligation or obligation without repayment; no-cost remission.
Gratuitous discharge; a release from debt or obligation without repayment; no-cost remission.
In civil and Scots legislation, the spoken extinction of a verbal agreement, with a declaration that debt was compensated when it have not, or even the acceptance of something simply imaginary in satisfaction of a verbal contract. Wharton.
In theology, the free forgiveness of sins by Jesus, for Christ's benefit.