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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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.testifier - a person who testifies or gives a deposition
witness, witnesser, informant - someone who sees an event and reports what happened


One who testifies, especially in court:
Law: deponent.
References in periodicals archive ?
reasonable understanding of the testifier as to what is meant by the
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.
Slot height X/La X slot distance Model Row (cm) from the tip ((cm) -- 1 -- A0 Testifier 1 13 0.
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.
The paradox of testimony that may simultaneously render suffering legible, often in the service of legal standing, and cause the testifier added pain.
Catherine Cruz Food Safety and Hygiene Officer Company of the testifier
ALABAMA SHAKES Fronted by the redoubtable soul testifier Brittany Howard, this Athens, Georgia-based band are a throwback to the everpotent southern soul sounds of Muscle Shoals.
As the listener in this case, Alison bears witness to events reflected in but not known to the testifier, and her tears manifest symptoms that, by all rights, ought to be the old man's but, because of his emotional disconnection, become hers to cry on his behalf.
The testifier, Derrida says, does not actually tell a story, s/he incorporates the event, carries it, and acts as witness.
one testifier cited to a study showing "no correlation between a
He claims, in particular, that we are justified in acquiring a belief that p on the basis of what a speaker says, if two conditions are fulfilled: we know that the testifier is a reliable source, and we know that the testifier knows that p.
It is Easier for Lawyers to Attack the Testifier than the Testimony