1. Something that gives a sign or proof of the existence or the truth of something, or that helps any one to come to a particular conclusion: The doctor told Mayr that there is no evidence that this illness is related to diet.
2. The objects, or information, used to prove or to suggest the guilt of someone accused of a crime: So far, the police have no evidence that Hank's brother committed the robbery.
3. The oral, or written statements, of witnesses and other people involved in a trial or official inquiry.
4. A thing, or things, helpful in forming a conclusion or judgment.
5. Etymology: "appearance from which inferences may be drawn", from Old French evidence, from Late Latin evidentia, "proof"; originally "distinction, clearness" from Latin evidentem, from ex-, "fully, out of" + videntem, videre, "to see".