Legal Definition of Principle: A doctrine; a fundamental belief; a clear truth, universally accepted, such as the principle of law that one should be punished for committing a crime | Gain a solid understanding of legal principles and their real-world applications with our comprehensive guide. Explore examples like presumption of innocence, freedom of speech, and equal protection under the law. Discover the importance of legal principles for compliance, risk management, and ethical decision-making in business. Embrace legal principles to navigate the complexities of the legal landscape with confidence