exculpate
VerbWordNet 3.0
Webster's Dictionary (GCIDE)
Exculpate \Ex*cul"pate\, v. t. [imp. & p. p. Exculpated, p. pr. & vb. n.. Exculpating (?).] [L. ex out + culpatus, p. p. of culpare to find fault with, to blame, culpa fault. See Culpable.] To clear from alleged fault or guilt; to prove to be guiltless; to relieve of blame; to acquit. [1913 Webster]
He exculpated himself from being the author of the heroic epistle. --Mason. [1913 Webster]
I exculpate him further for his writing against me. --Milman.
Syn: To exonerate; absolve; clear; acquit; excuse; vindicate; justify. [1913 Webster]