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.
A person who testifies at a trial because she has special knowledge in a particular field. This entitles her to testify about her opinion on the meaning of facts. Non-expert witnesses are only permitted to testify about facts they observed and not their opinions about these facts.