foundational

adjective

foun·​da·​tion·​al fau̇n-ˈdā-sh(ə-)nəl How to pronounce foundational (audio)
: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This trend suggests that people aren’t just stopping at the basics, but are building on foundational skills. Kate Donovan, Martha Stewart, 3 Apr. 2026 Jazz has always been a foundational influence for you. Preezy Brown, VIBE.com, 3 Apr. 2026 Sensory receptors act as evolutionary hotspots that can either preserve recognition among members of the same species, or limit interspecies mating, playing a foundational role in Earth’s biodiversity. Jacek Krywko, ArsTechnica, 2 Apr. 2026 For Williams, that history was foundational. Michael Howes, Baltimore Sun, 2 Apr. 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

Browse Nearby Words

Cite this Entry

“Foundational.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/foundational. Accessed 5 Apr. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster