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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
at the foundation
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "at the foundation" is correct and usable in written English.
It can be used to refer to the underlying basis or core principles of something, often in discussions about ideas, beliefs, or structures. Example: "Trust is at the foundation of any successful relationship."
✓ Grammatically correct
News & Media
Science
Academia
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
But, he says, "I love the work at the foundation".
News & Media
At the foundation, we keep our eye on the future.
News & Media
His isn't the only new installation at the foundation.
News & Media
And, at the foundation of both, is driving out inequality.
News & Media
His role at the foundation, too, has been an issue.
News & Media
Most of those turtles arrived at the foundation already dead.
News & Media
Of course, memory is at the foundation of humanity.
News & Media
Morgan situates this influence at the foundation of his development.
News & Media
Alexander Holt is an education policy analyst at the foundation.
News & Media
Mandatory disclosure sits at the foundation of modern securities regulation.
Academia
The boundary conditions consist of simple supports at the foundation and ground floor levels.
Science
Expert writing Tips
Best practice
Use "at the foundation" to emphasize the fundamental principles or core elements upon which something is built. For example, "Honesty is at the foundation of any successful relationship."
Common error
Avoid using "at the foundation" in sentences where a simpler word like "basis" or "core" would suffice. Overusing the phrase can make your writing sound unnecessarily complex.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "at the foundation" functions as a prepositional phrase, often acting as an adverbial modifier. It modifies verbs or clauses to specify where the essential basis or core principle of something lies. Ludwig AI shows this phrase commonly used to describe underlying concepts.
Frequent in
News & Media
52%
Science
22%
Academia
12%
Less common in
Formal & Business
8%
Wiki
3%
Reference
3%
Ludwig's WRAP-UP
In summary, "at the foundation" is a versatile prepositional phrase used to emphasize the fundamental basis or core principles of something. Ludwig AI confirms its grammatical correctness and prevalence across various contexts, especially in news, science, and academic writing. While “at the foundation” is common, writers should avoid overuse in favor of simpler alternatives like "at the base" or "at the core" when appropriate. The phrase's frequent occurrence in authoritative sources such as The New York Times and The Guardian underscores its reliability in formal and neutral registers. Consider the nuances between "at", "on", and "in" when using "foundation" to convey the most accurate relationship.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
at the base
Replaces "foundation" with "base", emphasizing the supporting structure.
at the core
Suggests the most important or basic part.
at the heart
Uses a more figurative term, "heart", to represent the core or essence.
at the root
Implies the origin or source of something.
fundamental to
Shifts to an adjective phrase highlighting importance instead of location.
essential to
Highlights the necessity of something, similar to being foundational.
integral to
Indicates something is an essential part.
underlying
Emphasizes the fundamental nature but omits the "at" preposition and changes sentence structure.
basic to
Shortens the phrase to emphasize simplicity and fundamentality.
built upon
Emphasizes the structure is constructed on the foundation.
FAQs
How can I use "at the foundation" in a sentence?
Use "at the foundation" to indicate the underlying principle or core element of something. For example, "Mutual respect is at the foundation of their partnership."
What phrases are similar to "at the foundation"?
You can use alternatives such as "at the base", "at the core", or "fundamental to" depending on the context.
Is it better to say "at the foundation" or "on the foundation"?
"At the foundation" is generally used to describe abstract concepts or principles, whereas "on the foundation" typically refers to physical structures. Therefore, "at the foundation" is usually the preferred choice.
What is the difference between "at the foundation" and "in the foundation"?
"At the foundation" emphasizes a conceptual or abstract relationship, while "in the foundation" suggests a physical location or inclusion. The choice depends on whether you're discussing principles or physical elements.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested