preforgive
/ˌprɛfɔrˈɡaɪv/; /ˌprɛfɔrˈɡɪv/Definitions
1. verb
to forgive beforehand or in advance
“She decided to preforgive her brother for the mistake he was about to make.”
2. noun
the act of forgiving beforehand or in advance
“Her preforgiveness of her friend’s mistake helped to ease the tension.”