Final answer:
The correct term for a formal or official act of forgiveness or pardon is 'Amnesty'. Other options like atonement, absolution, and redemption have different meanings related to amends, religious forgiveness, and being saved from wrongs, respectively.
Step-by-step explanation:
The term that usually refers to a formal or official act of forgiveness or pardon is Amnesty. Atonement refers to making amends for a wrong or a sin. Absolution is a term from a religious context that refers to the act of forgiving someone for their sins. Redemption is the action of being saved from sin, error, or evil.
The term that usually refers to a formal or official act of forgiveness or pardon is Absolution. Absolution is a concept that is commonly associated with religious or legal contexts, where an authority grants forgiveness or pardon to an individual for their actions or sins. It can be seen in practices such as confession and penance in some religious traditions, as well as in legal systems where pardons or amnesties are granted.