exoneration

US /ɪɡˌzɑː.nəˈreɪ.ʃən/
UK /ɪɡˌzɑː.nəˈreɪ.ʃən/
1.

sự miễn tội

the act of showing or stating that someone or something is not guilty of something:

:
The investigation ended with his exoneration.