Definition of Confirmatio

The conveyance of an estate or the communication of a right that one hath in or unto lahds or tenements, to another that hath the possession thereof or some other estate therein, whereby a voidable estate is made sure and unavoidable or whereby a particular estate is increased or enlarged. Shep. Touch. 311; 2 Bl. Comm. 325.
—Confirmatio crescens. An enlarging confirmation ; one which enlarges a rightful estate. Shep. Touch. 311.
—Confirmatio diminuens. A diminishing confirmation. A confirmation which tends and serves to diminish and abridge the services whereby a tenant doth hold, operating as a release df part of the services. Shep. Touch. 311.
—Confirmatio perfidens. A confirmation which makes valid a wrongful and defeasible title, or makes a conditional estate absolute. Shep. Touch. 311.