: of, relating to, or forming or serving as a base or foundation : fundamental
foundational principles/doctrines
These foundational volumes proved to be, each in its own way, enabling gestures for the growth of sophisticated theories and critical practices in African, Caribbean, and African American literatures.Henry Louis Gates, Jr.
Property was, in a sense, foundational to culture, since English political economy rested on the private ownership of land, and the political economy, in turn, largely structured social relations.Jill Lepore
Philosophy is a foundational discipline. Not only does it do the spadework that makes the construction of other disciplines possible; it also pays constant attention to the foundations of those disciplines as they are practiced.Cognitive Science
foundationally adverb

Examples of foundational in a Sentence

Recent Examples on the Web
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This year’s milestone edition furthers that legacy by pairing foundational film voices with the next generation of artistic troublemakers. Alison Foreman, IndieWire, 2 July 2026 These foundational piles will support the thousands of solar panels designed to power the upcoming cobalt processing facility. Mrigakshi Dixit, Interesting Engineering, 2 July 2026 The question of self-dealing was essentially rhetorical, because the expectation that a president served the country — not himself — was foundational. Lynn Schmidt, Mercury News, 2 July 2026 Over-reliance on AI for immediate conclusions risks individuals missing the crucial process of building foundational knowledge and critical thinking. Dr. Diane Hamilton, Forbes.com, 5 July 2026 See All Example Sentences for foundational

Word History

First Known Use

1657, in the meaning defined above

Time Traveler
The first known use of foundational was in 1657

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Cite this Entry

“Foundational.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/foundational. Accessed 7 Jul. 2026.

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