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1. One who can give a firsthand account of something seen, heard, or experienced: a witness to the accident.
2. Law
a. One who is called on to testify before a court.
b. One who is called on to be present at a transaction in order to attest to what takes place.
c. One who signs one's name to a document for the purpose of attesting to its authenticity.
a. Attestation to a fact, statement, or event; testimony: She bears witness to these events in her letters.
b. Something that serves as evidence; a sign: The parody of the poem is a witness to the poem's popularity.
a. One who publicly affirms religious faith.
b. Witness A member of the Jehovah's Witnesses.
v. wit·nessed, wit·ness·ing, wit·ness·es
1. To see or know by personal experience: witness a robbery; witness the birth of a new nation.
a. To provide or serve as evidence of: The child's laughter witnessed her delight.
b. To consider as an example. Often used in the imperative: Even a widespread species can go extinct. Witness the passenger pigeon.
3. To testify to; bear witness of: The diary witnesses the difficult living conditions of the time.
4. To be the setting or site of: This old auditorium has witnessed many ceremonies.
5. To attest to the legality or authenticity of (a document) by signing one's name.
1. To furnish or serve as evidence: The fine buildings witness to the town's prosperity.
2. To testify to one's religious beliefs: "As they witnessed to their faith they brought others to believe" (Leon Morris).

[Middle English, from Old English, from wit, knowledge; see wit1.]

wit′ness·er n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.witnesser - someone who sees an event and reports what happened
beholder, observer, perceiver, percipient - a person who becomes aware (of things or events) through the senses
attester, attestant - someone who affirms or vouches for the correctness or truth or genuineness of something
speaker, talker, verbaliser, verbalizer, utterer - someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous); "the speaker at commencement"; "an utterer of useful maxims"
deponent, deposer, testifier - a person who testifies or gives a deposition
References in periodicals archive ?
There is no-thing to be witnessed, and yet there is still a witnesser.
Our theories evolve with the center missing; namely, the 'I' of consciousness, the Witnesser.
Collectively, they demonstrate the range of possible modes and give some concrete illustrations of how cultural conditions and the intention of the Christian witnesser can influence the way we relate to people of other religions.