exculpate
/ˈek-(ˌ)skəl-ˌpāt/
verb
to clear from alleged fault or guilt
exculpate absolve exonerate acquit vindicate mean to free from a charge. exculpate implies a clearing from blame or fault often in a matter of small importance. absolve implies a release either from an obligation that binds the conscience or from the consequences of disobeying the law or committing a sin.