The doctrine of stare decisis, meaning "let the decision stand," refers to the principle that courts should follow precedents set by higher courts within the same jurisdiction. This ensures consistency and predictability in the law. It is fundamental to the common law system, where past judicial decisions are used as a basis for deciding future cases.

Key Point: This question focuses on the foundational principle of stare decisis, emphasising its role in maintaining legal consistency through adherence to judicial precedents.