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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
is firmly established
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is firmly established" is correct and usable in written English.
You can use it to indicate that something is well-founded or has been confirmed over time. Example: "The theory of evolution is firmly established in the scientific community as a fundamental principle of biology."
✓ Grammatically correct
News & Media
Encyclopedias
Science
Alternative expressions(18)
is beyond dispute
is deeply ingrained
is profoundly embedded
is deeply embedded
is entrenched
becomes deeply embedded
has been verified
is thoroughly embedded
is ingrained
is well established
is firmly rooted
was strongly embedded
is definitively proven
is widely recognized
is strongly embedded
is deeply integrated
is deeply rooted
is intrinsically linked
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
59 human-written examples
He is firmly established on it.
News & Media
The Knicks' rotation and identity is firmly established.
News & Media
It is imperative that we keep supporting our economies until the global recovery is firmly established.
News & Media
Now 66, Sciarrino is firmly established as one of the leading European composers of our time.
News & Media
Tennant, helped by Doctor Who, is firmly established as one of the UK's most popular actors.
News & Media
The situation is firmly established before the opening credits, and it is painless.
News & Media
Thirty years old this year, it is firmly established as a classic for toddlers and babies.
News & Media
Once the melody is firmly established as a gestalt, it is sung.
Encyclopedias
Even now, when Newness is firmly established, you can find remnants of old tensions.
News & Media
Confirmation that the modest expansion is firmly established would come as a relief for everyone.
News & Media
The mutual dependency of many species of bees and wasps and flowering plants is firmly established.
Encyclopedias
Expert writing Tips
Best practice
Use "is firmly established" to convey that something is not only accepted but also has a strong foundation of evidence or long-standing tradition. This suggests reliability and stability.
Common error
Avoid using "is firmly established" in very informal or casual writing. The phrase carries a level of formality that might sound unnatural in everyday conversations or personal correspondence. Simpler alternatives may be more appropriate.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is firmly established" functions as a verbal phrase that asserts the confirmed existence, validity, or acceptance of something. Ludwig AI confirms its usability and correctness in diverse writing scenarios. It's used to indicate that an idea, practice, or fact is not only recognized but also well-supported and unlikely to change.
Frequent in
Science
34%
News & Media
30%
Formal & Business
7%
Less common in
Encyclopedias
5%
Wiki
2%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "is firmly established" is a versatile and grammatically sound expression used to indicate that something is well-founded, widely accepted, and unlikely to change. As Ludwig AI confirms, this phrase appears frequently across various contexts, including science, news, and formal business settings. While it's suitable for formal and neutral registers, overuse in casual contexts should be avoided. Alternatives such as "is well established" or "is securely established" can be used to convey similar meanings with slight variations in emphasis. By following best practices and avoiding common errors, you can effectively incorporate "is firmly established" into your writing to convey authority and certainty.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is securely established
Emphasizes the stability and robustness of the establishment.
is well established
A more general and common alternative, focusing on the state of being recognized and accepted.
is solidly established
Highlights the strength and durability of the foundation.
is strongly established
Focuses on the power and influence of the establishment.
is definitively proven
Emphasizes that something has been demonstrated beyond doubt through evidence.
is widely recognized
Focuses on the broad acceptance and acknowledgment of something.
is deeply rooted
Suggests a long-standing and fundamental presence.
is incontrovertibly demonstrated
Highlights the undeniable nature of a demonstration or proof.
has been verified
Emphasizes the act of confirming or substantiating something.
is beyond dispute
Indicates that something is so well-established that it cannot be reasonably questioned.
FAQs
How can I use "is firmly established" in a sentence?
Use "is firmly established" to indicate that something is well-founded, recognized, and not easily changed. For instance, "The link between smoking and lung cancer "is firmly established"."
What are some alternatives to "is firmly established"?
You can use alternatives like "is well established", "is securely established", or "is solidly established" depending on the specific nuance you want to convey.
When is it appropriate to use "is firmly established"?
It's appropriate in formal writing, academic papers, or professional reports when you want to emphasize the strength and validity of a particular fact, theory, or practice. It conveys a sense of authority and certainty.
What's the difference between "is firmly established" and "is generally accepted"?
"Is firmly established" implies a stronger level of validation and evidence, suggesting that something is not just widely accepted but also has a solid, irrefutable basis. "Is generally accepted" simply means that most people agree with it, which may or may not be based on rigorous evidence.
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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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested