Base
Base noun - An immaterial thing upon which something else rests.
Usage example: the firm belief that complete trust between husband and wife is the base of any successful marriage
Foundation is a synonym for base in basis topic. In some cases you can use "Foundation" instead a noun "Base", when it comes to topics like thing, principle, reason, support. popular alternative
Foundation
Foundation noun - An immaterial thing upon which something else rests.
Usage example: she had a good enough foundation in math to pursue an economics degree
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Synonyms for Foundation
Base is a synonym for foundation in basis topic. You can use "Base" instead a noun "Foundation", if it concerns topics such as thing, principle, position, reason. popular alternative
Mutual synonyms
How words are described
Both words in one sentence
- There has been some speculation that Osama bin Laden named his organization, al-Qaeda (which means "base" or "foundation"), after... the sci-fi novel Foundation by Isaac Asimov.
Source: One Of Us / Other Pencilnecks - MacGyver shifted its focus over time from his role as a troubleshooter for the government (and, later, the humanitarian/scientific/mercenary/whatever Phoenix Foundation) to being more of a glorified social worker with the Challenger's Club as his base of operations.
Source: The Artifact / Live-Action TV -
Brainwashed and Crazy: SCP Foundation likes to accuse Bobble's fan base of being this.
Source: Just For Fun / Bobble The Clown
Cite this Source
Foundation and Base. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/base/foundation
Base & Foundation. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/base/foundation>.
Foundation or Base. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/base/foundation.
Google Ngram Viewer shows how "base" and "foundation" have occurred on timeline