Acceleration in the context of mortgages is nothing more than a contractual remedy. It is a contractual remedy that springs from a debtor's uncured default of a term mortgage loan and affords the mortgagee—in lieu of waiting for the contractual maturity date to occur—the right to seek an immediate payment in full of the underlying debt. Once the whole amount of the mortgage debt is payable in full, then, generally, the mortgagee has the right to bring a suit for the whole amount of the debt or bring a suit seeking full foreclosure (as distinguished from partial foreclosure (see RPAPL §1351(2)).