Discredit
A Dictionary of Law · Henry Campbell Black · 1891
A Dictionary of Law
To destroy or impair the credibility of a person; to impeach; to lessen the degree of credif to be accorded to a witness or document, as by impugning the veracily of the one or the genuineness of the other; to disparage or weaken the reliance upon the testimony of a witness, or upon decumentary evidence, by any means whatover.