The phrase "grant amnesty to" refers to the act of forgiving a group of people for their offenses or crimes. There are numerous synonyms or similar phrases that can be used instead of "grant amnesty to." These include pardoning, absolving, exonerating, acquitting, excusing, forgiving, remitting, releasing, letting off, and granting clemency. Each of these synonyms has its own nuances, but they all refer to some form of forgiveness or exoneration. It is essential to consider the context and the specific circumstances when choosing the most appropriate synonym for "grant amnesty to" in order to accurately convey the intended meaning.