A person that swears, under oath, to truthfully testify in court about what they saw, heard, or otherwise observed.
Merriam-Webster Online Dictionary
witness (noun)1.
attestation of a fact or event - testimony
2.
one that gives evidence , specifically one who testifies in a cause or before a judicial tribunal
3.
one asked to be present at a transaction so as to be able to testify to its having taken place
4.
one who has personal knowledge of something
5.
a) something serving as evidence or proof - sign
b) public affirmation by word or example of usually religious faith or conviction - the heroic witness to divine life Pilot
6.
capitalized a member of the Jehovah's Witnesses
transitive verb
1.
to testify to - attest
2.
to act as legal witness of
3.
to furnish proof of - betoken
4.
a) to have personal or direct cognizance of see for oneself - witnessed the historic event
b) to take note of - our grammar— witness our verb system—is a marvel of flexibility, variety, and exactitude Charlton Laird
5.
intransitive verb
to constitute the scene or time of - structures … which this striking Dorset hilltop once witnessed Times Literary Supplement
1.
to bear witness - testify
2.
to bear witness to one's religious convictions - opportunity to witness for Christ Billy Graham certify
Merriam-Webster Online Thesaurus
witness (noun)something presented in support of the truth or accuracy of a claim
SYNONYMS:
attestation, confirmation, corroboration, documentation, evidence, substantiation, testament, testimonial, testimony, validation, voucher, witnessRELATED WORDS:
(the) goods; certificate, document, exhibit; demonstration, illustration; authentication, identification, manifestation, verificationNEAR ANTONYMS:
rebuttal, refutation; accusation, allegation, charge; assumption, conjecture, guess, presumption, surmise, suspicion1.
to declare (something) to be true or genuine
SYNONYMS:
attest, authenticate, avouch, testify (to), vouch (for), witnessRELATED WORDS:
guarantee, warrant; affirm, assert, aver, avow, profess, vow2.
to make note of (something) through the use of one's eyes
SYNONYMS:
behold, catch, descry, discern, distinguish, espy, eye, look (at), note, notice, observe, perceive, regard, remark, sight, spot, spy, view, witnessRELATED WORDS:
identify, make out, pick out, pick up; attend (to), consider, heed, mark, mind; study, watch; examine, inspect, scan, scrutinize, survey; glance (at), glimpse, peer (at)NEAR ANTONYMS:
disregard, ignore, neglect, overpass, pass over; miss, overlook3.
to make a solemn declaration under oath for the purpose of establishing a fact
SYNONYMS:
attest, depose, swear, witnessRELATED WORDS:
verify; vouch; promise, vow4.
to come to a knowledge of (something) by living through it
SYNONYMS:
endure, feel, have, know, pass, see, suffer, sustain, taste, undergo, witnessRELATED WORDS:
encounter, meet; accept, receive; assimilate, digest