Legal Definitions - concessit solvere

Definition: Concessit solvere is a Latin term that means "he agreed to pay." It is a form of debt action on a simple contract. In this action, the plaintiff alleges that the defendant had agreed to pay the sum sued for but had not done so. The defendant responds with a plea of nunquam indebitatus ("never indebted").

Example: If John borrowed $500 from Jane and agreed to pay it back in a month, but failed to do so, Jane can file a lawsuit against John using the action of concessit solvere. She can allege that John had agreed to pay the sum but had not done so, and demand that he pay her the $500.

Explanation: The example illustrates how the action of concessit solvere can be used to recover a debt that the defendant had agreed to pay but had not fulfilled. The plaintiff can use this action to seek a judgment against the defendant and enforce the payment of the debt.