promissory estoppel

The principle that a promise made without consideration may nonetheless be enforced to prevent injustice if the promisor should have reasonably expected the promisee to rely on the promise and if the promisee did actually rely on the promise to his or her detriment. — Also termed (inaccurately) equitable estoppel. [Cases: Estoppel 85. C.J.S. Estoppel […]