exoneration

[L. exoneratio: cf. F. Exonération.]
The act of disburdening, discharging, or freeing morally from a charge or imputation; also, the state of being disburdened or freed from a charge.

noun

A freeing or clearing from accusation or guilt: exculpation, vindication. Law acquittal. See law.

Definition: immunity
Antonyms: liability

The removal of a burden, charge, responsibility, duty, or blame imposed by law. The right of a party who is secondarily liable for a debt, such as a surety, to be reimbursed by the party with primary liability for payment of an obligation that should have been paid by the first party.