Sentence:  This is indeed a most aggravating circumstance, which attends depriving men unjustly of their reputation; for a man who is conscious of having an ill character, cannot justly be angry with those who neglect and slight him; but ought rather to despise such as affect his conversation, unless where a perfect intimacy must have convinced them that their friend's character hath been falsely and injuriously <WSD>aspersed</WSD>. 
Meaning of the word marked with <WSD> tags:  To falsely or maliciously charge another; to slander.