Nouns

(n)forgiveness, pardonthe act of excusing a mistake or offense
(n)pardon, amnestya warrant granting release from punishment for an offense
(n)amnesty, pardon, free pardonthe formal act of liberating someone

Verbs

(v)excuse, pardonaccept an excuse for“Please excuse my dirty hands”
(v)pardongrant a pardon to“Ford pardoned Nixon”, “The Thanksgiving turkey was pardoned by the President”