a. [f. L. exonerāt- ppl. stem of exonerāre (see EXONERATE) + -IVE.] Tending to give relief (from an obligation).

1

1819.  in Todd.

2

1875.  Poste, Gaius, I. Introd. (ed. 2), 3. Title … is any fact Collative or Privative of a Right and Impositive or Exonerative of an Obligation.

3