Absolve
/əbˈzɒlv/
verb
To set free, release or discharge (from obligations, debts, responsibility etc.).
“You will absolve a subject from his allegiance.”
To resolve; to explain; to solve.
To pronounce free from or give absolution for a penalty, blame, or guilt.
Synonyms: acquit, exculpate, exonerate, pardon, remit, vindicate, excuse, exempt