Sentence:  This, madam, is a faithful narrative of every event in which we have been concerned together; and if you do not absolutely reject it as false, you will, I hope, <WSD>acquit</WSD> me henceforth of cruelty towards Mr. Wickham. 
Meaning of the word marked with <WSD> tags:  "Followed by" '''(of)''' "(and formerly by" '''(from)''''')": to discharge, release, or set free from a burden, duty, liability, or obligation, or from an accusation or charge.