from The American Heritage® Dictionary of the English Language, 4th Edition
- intransitive v. To make a declaration of truth or fact under oath; submit testimony: witnesses testifying before a grand jury.
- intransitive v. To express or declare a strong belief, especially to make a declaration of faith.
- intransitive v. To make a statement based on personal knowledge in support of an asserted fact; bear witness: the exhilaration of weightlessness, to which many astronauts have testified.
- intransitive v. To serve as evidence: wreckage that testifies to the ferocity of the storm.
- transitive v. To declare publicly; make known: testifying their faith.
- transitive v. To state or affirm under oath: testified in court that he saw the defendant.
- transitive v. To bear witness to; provide evidence for. See Synonyms at indicate.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. to make a declaration, or give evidence, under oath
- v. to make a statement based on personal knowledge or faith
from the GNU version of the Collaborative International Dictionary of English
- intransitive v. 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.
- intransitive v. 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.
- intransitive v. To declare a charge; to protest; to give information; to bear witness; -- with against.
- transitive v. To bear witness to; to support the truth of by testimony; to affirm or declare solemny.
- transitive v. To affirm or declare under oath or affirmation before a tribunal, in order to prove some fact.
- adv. In a testy manner; fretfully; peevishly; with petulance.
from The Century Dictionary and Cyclopedia
- To bear witness; make declaration, especially for the purpose of communicating to others a knowledge of some matter not known to them, or for the purpose of establishing some fact.
- In law, to give testimony, under oath or solemn affirmation, in a cause depending before a court.
- To serve as evidence; be testimony or proof.
- To bear witness to; affirm or declare as fact or truth.
- In law, to state or declare under oath or affirmation, as a witness, before a tribunal.
- To give evidence of; evince; demonstrate; show.
- To make known; publish or declare freely.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. give testimony in a court of law
- v. provide evidence for
Middle English testifien, from Latin testificārī : testis, witness; see trei- in Indo-European roots + -ficārī, -fy.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle English testifien, from Old French testifier, from Latin testificārī, present active infinitive of testificor ("I bear witness"), from testis ("a witness") + facere ("to make") (see -fy). (Wiktionary)