witness

/ˈwɪtnəs/ · noun

Meaning

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