An agreement, specifically a legally binding contract, reached by the parties' exchange of letters.

plural of agreeableness

Of one mind; thinking alike. / Confirmatory; matching.

(law, business) A contract that enjoins a party not to disclose certain information.

plural of non-disclosure agreement

plural of tolling agreement

A contract between the provider of a service and a user of that service, specifying the level of service that will be provided.

plural of service level agreement

plural of agreeability

plural of prenuptial agreement