Definitions from Wiktionary ( )

▸ noun:  (uncountable) Attestation of a fact or event; testimony.
▸ noun:  (countable) One who sees or has personal knowledge of something.
▸ noun:  (countable, law) Someone called to give evidence in a court.
▸ noun:  (countable) One who is called upon to witness an event or action, such as a wedding or the signing of a document.
▸ noun:  (countable) Something that serves as evidence; a sign or token.
▸ verb:  (transitive) To furnish proof of, to show.
▸ verb:  (transitive) To take as evidence.
▸ verb:  (transitive) To see or gain knowledge of through experience.
▸ verb:  (intransitive, construed with to or for) To present personal religious testimony; to preach at (someone) or on behalf of.
▸ verb:  To see the execution of (a legal instrument), and subscribe it for the purpose of establishing its authenticity.
▸ noun:  Jehovah's Witness

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