Persuasive Authority Per-sway-siv au-thor-i-ty A legal source, such as a court decision from another jurisdiction, that is not binding precedent but can be cited to influence a court's decision. The attorney cited persuasive authority from a similar case in another state to support her argument. There aren't many landmark cases directly on persuasive authority, but it's a common legal concept. ← Back to BrowseNext Term →