Fundament(n.) Foundation.
Fundament(n.) The part of the body on which one sits; the buttocks; specifically (Anat.), the anus.
Fundamental(a.) Pertaining to the foundation or basis; serving for the foundation. Hence: Essential, as an element, principle, or law; important; original; elementary; as, a fundamental truth; a fundamental axiom.
Fundamental(n.) A leading or primary principle, rule, law, or article, which serves as the groundwork of a system; essential part, as, the fundamentals of the Christian faith.
Fundamentally(adv.) Primarily; originally; essentially; radically; at the foundation; in origin or constituents.
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