Fundamental is defined as something that is basic or essential.
Of, being, or serving as a starting point or basis:
The first in a group or series.
(Bot.) Growing from the base of a stem
Being the source from which a copy, reproduction, or translation is made.
Relating to or occurring on or near the surface of the earth.
Find another word for foundational. In this page you can discover 16 synonyms, antonyms, idiomatic expressions, and related words for foundational, like: fundamental, basic, trinitarian, thomistic, underlying, metaphysic, hermeneutical, theological, unifying, primary and hermeneutic.