Lia [lia]â² as a girls' name is pronounced LEE-ah. It is of Latin origin. Short form of names like Amelia, Rosalia, and Evangelia bringer of the gospel. Used as an independent name in Italy. See also Lea and Leah. Writer Lia Matera.
Testify(verb) to make a solemn declaration under oath or affirmation, for the purpose of establishing, or making proof of, some fact to a court; to give testimony in a cause depending before a tribunal. Testify(verb) to declare a charge; to protest; to give information; to bear witness; -- with against.
Ultimately, the testimony of expert witnesses is regarded as supportive of evidence rather than evidence in and of itself, and a good defense attorney will point out that the expert witness is not in fact a witness to anything, but rather an observer.