Definitions of witness:
- noun: testimony by word or deed to your religious faith
- noun: someone who sees an event and reports what happened
- noun: (law) a person who attests to the genuineness of a document or signature by adding their own signature
- noun: (law) a person who testifies under oath in a court of law
- noun: a close observer; someone who looks at something (such as an exhibition of some kind)
- verb: be a witness to
- verb: perceive or be contemporaneous with