A more thorough explanation:

Definition: Evidentiary refers to something that can be used as evidence in a court of law. It has the characteristics of evidence and can be presented to prove or disprove a fact or claim.

For example, a murder weapon found at the scene of a crime is considered evidentiary because it can be used to prove who committed the crime. Similarly, a witness's testimony can be evidentiary if it helps to establish the truth of a matter.

An evidentiary hearing is a legal proceeding in which only evidence is presented to the court. This type of hearing is used to determine the admissibility of evidence or to establish the facts of a case.

Overall, evidentiary refers to anything that can be used to prove or disprove a fact in a court of law. It is an important concept in the legal system and plays a crucial role in determining the outcome of a case.