Also found in: Thesaurus, Legal, Idioms.


v. test·i·fied, test·i·fy·ing, test·i·fies
1. To give testimony in a legal case or before a deliberative body: witnesses testifying before a grand jury.
2. To express or declare a strong belief, especially to make a declaration of faith.
3. 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.
4. To serve as evidence: wreckage that testifies to the ferocity of the storm.
1. To declare publicly; make known: testifying their faith.
2. To state or affirm as testimony in a legal case or before a deliberative body: testified in court that he saw the defendant.
3. To be evidence of: His frown testified his displeasure.

[Middle English testifien, from Latin testificārī : testis, witness; see trei- in Indo-European roots + -ficārī, -fy.]

tes′ti·fi·ca′tion (-fĭ-kā′shən) n.
tes′ti·fi′er n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.testifier - a person who testifies or gives a deposition
witness, witnesser, informant - someone who sees an event and reports what happened
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


One who testifies, especially in court:
Law: deponent.
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
Albeit the triumph, the recent attacks and wanton destruction of lives and property that has the inclusiveness of both civilians and soldiers as victims are testifier that the insurgence is waxing stronger.
Ash-Shaheed: The Witness, the Testifier, the Certifier
As a frequent testifier before the commission, Mitchell has advocated for more far-reaching progressive reforms.
For Laub, a psychoanalyst, the testimony authentically reflected the enormity of the occurrence in the mind of the testifier. (63) The historian, or legal adjudicator for that matter, whose concern is empirical accuracy, often assumes that even one "false" claim--one that does not align with the observable historical record--discredits the validity of all claims or indicates a will to deceive.
Travis County Assistant District Attorney Justin Wood was the lone testifier against the bills, with eight others testifying in support of the bills that were laid out close to 11 p.m.
* At the start of a videoconferenced hearing, the committee chair should cover how the hearing will be conducted, including the amount of time each site will be allowed to present testimony; the process for signing the testifier sheet; the use, if any, of a timer or light system; the handling of exhibits; the time the remote site closes, if necessary; and the consequences of disrupting testimony.
The first, John Smyth, "a 52-year-old premiere acting coach," was a redundant testifier to our employer's talent, one who leaned pretty lamely on vocab like convincing, timeless, and fun to watch.
Extrapolating this to narrative acts of public 'remembering', via personal testimony (as in the TRC hearings), arguably affects not only the testifier's identity, but also the identities of all those involved.
This kind of testimony is a story about what God has done in one's life; the main character in such a story is supposed to be God, but since the testifier is a human being and not God, God's activities present themselves only through what the testifier claims God has done in her or his life.
Or tells of metaphysical incident that occurs here rather than there but whose testifier is ardent about where.
Prosecutor Bilgili will be hearing from these politicians, and sources said these could be heard with the testifier having the status of a suspect, witness or co-plaintiff.