A thing, a document, or the testimony of a person that bears on the truth or falsity of an assertion made in litigation; the totality of such items introduced in a trial; the legal doctrines pertaining to the admission, use, and evaluation of such items. character evidence. Evidence attesting to one's character and moral standing in the community; character witnessed to attest to same. See also reputation witness. competent evidence. Evidence that pertains to the matters being decided by the ...