Testify

v. t. [imp. & p. p. TESTIFIED; p. pr. & vb. n. TESTIFYING.] [O. Fr. testifier, Pr. & Sp. testificar, It. testificare, Lat. testificari, from testis, a witness, and facere, to make.] 1. To make a solemn declaration, verbal or written, to establish some fact; to give testimony for the purpose of communicating to others a knowledge of something not known to them. Jesus, . . . needed not that any should testify of man, for he knew what was in man. John ii. 25. 2. (Law.) 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. One witness shall not testify against any person to cause him to die. Num. xxxv. 30. 3. To declare a charge; to protest; — with against. O Israel, . . . I will testify against thee. Ps. 1. 7. I testified against them in the day wherein they sold provisions. Neh. xiii. 15.

v. t. 1. To bear witness to; to support the truth of by testimony; to affirm or declare solemnly.

2Sense 2. (Law.) To affirm or declare under oath or affirmation before a tribunal, for the purpose of proving some fact.