reservative

An exception to a rule or decree; a proviso.

Tending to reserve or keep; Involving the holding of something in reserve.

Expressing reservation; indicating a qualification or doubt.

Pertaining to a form of transfer of real estate, in Spanish and South American law, where full ownership is granted to another person but where the new owner must pay the original owner an annual fee for rights to the land.

Denoting an action that puts the object of the sentence into a state in which it remains.