To notice, observe, learn, or understand, especially something otherwise overlooked.
To adopt a practice in which others already engage.
To continue or build upon (for example, a task, analysis, or narrative), beginning from a point at which someone has previously stopped.
To see or gain knowledge of through experience.
To take as evidence.
To furnish proof of, to show.
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.
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.