absolve
/əbˈzɒlv/verb
with obj.
1- declare (someone) free from blame, guilt, or responsibility宣布免除（某人）的过失（或罪行、责任）：
the pardon absolved them of any crimes.
赦免特许状免除了他们所有罪行。
1.1
- (in church use) give absolution for (a sin)（教会用语）恕（罪）。
词源
late Middle English: from Latin absolvere 'set free, acquit', from ab- 'from' + solvere 'loosen'.