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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
cornerstone
Grammar usage guide and real-world examplesUSAGE SUMMARY
'cornerstone' is a perfectly correct and usable word in written English.
You could use "cornerstone" to refer to something which forms the basis or foundation of something else. For example, you could say "Education is the cornerstone of any successful society."
✓ Grammatically correct
News & Media
Formal & Business
Science
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
A cornerstone of the good practice guidelines is that MBCT teachers have an established personal mindfulness practice and appreciate the common nature of human suffering, rather than teaching from a purely intellectual stance".
News & Media
"This project forms the main cornerstone (main target) of a series of planned attacks that have been prepared for synchronised execution on the same day at the same time," he wrote.
News & Media
During Chris Christie's first term as governor, he made tax incentives a cornerstone of a promised "New Jersey comeback" that would lure new businesses to the state.
News & Media
There are just four original copies of the cornerstone for English law and first document to champion the rights and freedom of the common people – and the best preserved is in Salisbury Cathedral.
News & Media
The defending champion's failure to find rhythm and fluency on his legendary forehand, the cornerstone of his game, was as much down to Murray's guile as his own shortcomings – plentiful though these were – and it was a striking feature of the match that most of Nadal's best moments came when he advanced into the forecourt.
News & Media
Another cornerstone of the legislative package is SB 32, which continues executive orders first made by then-governor Arnold Schwarzenegger in 2005 and later passed by the legislature in California's groundbreaking 2006 climate change law, which created cap-and-trade emissions requirements for large industrial polluters like oil refineries and power companies.
News & Media
The cornerstone of the legislation enabled workers to recruit more easily.
News & Media
Critics say: Judgment by one's peers is a cornerstone of British law.
News & Media
Empire is now the cornerstone of a lineup that, this fall, will include a series based on the Tom Cruise movie Minority Report, a show from the creators of American Horror Story called Scream Queens (starring Jamie Lee Curtis) and a Rob Lowe comedy called The Grinder, about the star of a canceled reality series.
News & Media
And it will be a cornerstone of my leadership".
News & Media
Even then, she had to be persuaded to run by a young cohort of staffers who are credited with creating a social media drive that has proved a cornerstone of the campaign.
News & Media
Expert writing Tips
Best practice
When using "cornerstone", ensure it clearly represents a foundational element, not just an important one. The term implies that without this element, the entire structure would be compromised.
Common error
Avoid using "cornerstone" when a weaker term like "important" or "significant" would suffice. "Cornerstone" should be reserved for elements that are absolutely fundamental and irreplaceable.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "cornerstone" is as a noun, often used to denote a foundational or essential element of something. As Ludwig AI suggests, it highlights something that is fundamental and critical for support.
Frequent in
News & Media
40%
Formal & Business
30%
Science
15%
Less common in
Encyclopedias
5%
Wiki
5%
Reference
5%
Ludwig's WRAP-UP
In summary, "cornerstone" is a frequently used noun that signifies a foundational or essential element. Ludwig AI validates its correct usage in various contexts. Predominantly found in News & Media, Formal & Business, and Scientific sources, the phrase carries a neutral to formal register. When using "cornerstone", ensure it truly represents a fundamental aspect, not just something important. Alternatives such as "foundation", "key element", and "essential component" may be suitable depending on the intended nuance. It is a strong and widely applicable term when you need to emphasize the core, irreducible nature of something.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
foundation
Direct synonym, emphasizing the base upon which something is built.
core element
Highlights the central and most important part of something.
key element
Underscores the importance of something as a crucial part of a whole.
bedrock
Similar to foundation, suggesting a solid and unwavering base.
essential component
Highlights the role of something as a necessary part of a larger system or entity.
linchpin
Emphasizes the crucial role of something in holding a system together.
underlying basis
Highlights the fundamental support or reason for something.
fundamental aspect
Emphasizes the essential nature of something, shifting from a structural metaphor to a more abstract concept.
central tenet
Focuses on a belief or principle that is held as especially important within a system of beliefs.
basic principle
Focuses on the underlying rules or beliefs that guide a system or ideology.
FAQs
How can I use "cornerstone" in a sentence?
You can use "cornerstone" to describe a fundamental element or principle upon which something is based. For instance, "Trust is the cornerstone of any successful relationship."
What are some alternatives to "cornerstone"?
You can use alternatives like "foundation", "key element", or "essential component" depending on the context.
Is it correct to say something is 'a cornerstone' or 'the cornerstone'?
Both are grammatically correct, but "the cornerstone" implies a specific, identifiable element, while "a cornerstone" suggests one of several foundational elements.
What's the difference between "cornerstone" and "keystone"?
"Cornerstone" refers to a foundational element, while "keystone" ("keystone") refers to the central stone in an arch that locks the other stones in place. While both are important, they have different structural roles.
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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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested