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.
Legal Definition of witness. 1  1 : to furnish evidence or proof of. 2  2 : to act as witness of: as a : to see the execution of (an instrument) and sign for the purpose of establishing authenticity witness a will b : to be formally present as a witness of (as a transaction or the execution of a convict)