Fundamental
Bouvier's Law Dictionary and Concise Encyclopedia · John Bouvier; revised by Francis Rawle · 1914
Bouvier's Law Dictionary and Concise Encyclopedia
This word is applied to those laws which are the foundation of society. Those laws by which the exercise of power Is restrained and regulated are fundamental. The constitution of the United States is the fundamental law of the land.
See Wolffius, Inst Nat. § 984.