An example of to exculpate is telling someone that an accident was not their fault.
Origin of exculpate; from Classical Latin ex, out + culpatus, past participle of culpare, to blame ; from culpa, fault
transitive verbex·cul·pat·ed, ex·cul·pat·ing, ex·cul·pates
Origin of exculpateMedieval Latin exculpare, exculpat- : Latin ex-, ex- + Latin culpa, guilt.
(third-person singular simple present exculpates, present participle exculpating, simple past and past participle exculpated)
exculpate - Legal Definition