exonerate
Definitions
To clear someone of blame or suspicion for a fault or wrongdoing.
To release or discharge someone from an obligation or duty.
Examples
The new DNA evidence was enough to exonerate the man who had spent ten years in prison for a crime he did not commit.
The internal investigation served to exonerate the manager of any wrongdoing regarding the missing funds.
Although he was initially suspected of the theft, the security footage helped to exonerate him completely.