1) A person with first-hand knowledge of an event, that testifies to that knowledge during a trial or other legal proceeding (see: eyewitness, earwitness)
2) A person who sees a second person sign a document, then adds their own signature confirming (or "attesting") that the first signature is genuine.
Definition from Nolo’s Plain-English Law Dictionary
A person who testifies under oath at a deposition or trial, providing firsthand or expert evidence. The term also refers to someone who watches another person sign a document and then adds his or her name to confirm (called "attesting") that the signature is genuine.
Definition provided by Nolo’s Plain-English Law Dictionary.
August 19, 2010, 5:26 pm