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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 well founded
Grammar usage guide and real-world examplesUSAGE SUMMARY
"is well founded" is a correct and usable phrase in written English.
It is typically used to describe something that is based on solid evidence or good reasoning. Here are some examples: - The lawyer's argument is well founded, supported by a wealth of legal precedents. - The company's decision to expand into international markets is well founded, given the current global economic climate. - I believe your concerns about the project's feasibility are well founded, as there are many potential challenges that need to be addressed. - Her reputation as a reliable source of information is well founded, as she always thoroughly researches her facts before sharing them.
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
is substantiated
is well identified
is reliably substantiated
is warranted
is well supported
is well demonstrated
is thoroughly verified
is well controlled
is valid
is well corroborated
is well institutionalized
is well documented
is well confirmed
is definitively established
is well designed
is well justified
is legitimate
is also confirmed
is well acknowledged
is widely acknowledged
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
39 human-written examples
Neither reason is well founded.
News & Media
The concern is well founded.
News & Media
Her angst is well founded.
News & Media
So their anxiety is well founded.
News & Media
And that worry is well founded.
News & Media
This fear is well founded.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
17 human-written examples
The fear is well-founded.
News & Media
Her fear is well-founded.
News & Media
Their fear is well-founded.
News & Media
That scepticism is well-founded.
News & Media
No question, her alarm is well-founded.
News & Media
Expert writing Tips
Best practice
When using "is well founded", ensure that you can clearly articulate the reasons or evidence that support the statement. Providing specific examples strengthens the credibility of your claim.
Common error
Avoid using "is well founded" when the evidence is weak or speculative. Instead, use qualifying language such as "may be well founded" or "appears to be well founded" to indicate a degree of uncertainty.
Source & Trust
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is well founded" primarily functions as a predicate adjective, modifying a noun or pronoun to describe its quality of being based on solid evidence or sound reasoning. Ludwig AI confirms this usage pattern through numerous examples in varied contexts.
Frequent in
News & Media
52%
Science
40%
Formal & Business
8%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "is well founded" is a grammatically correct and commonly used expression indicating that something is based on solid evidence or sound reasoning. As Ludwig AI confirms, it functions as a predicate adjective, enhancing credibility in various contexts, particularly in news, science, and formal business settings. While alternatives such as "is justified" or "is reasonable" exist, the choice depends on the specific nuance desired. When employing this phrase, it's crucial to ensure the evidence genuinely supports the assertion, avoiding overstatement. With its frequent use in authoritative sources like The New York Times and The Guardian, mastering this phrase can significantly enhance your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is justified
Emphasizes the rightness or legitimacy of something, often in response to a challenge or question.
is reasonable
Highlights the logical and rational basis for a belief, action, or decision.
is supported by evidence
Specifically points out the presence of data or facts that validate a claim or idea.
is based on fact
Underscores the factual foundation as the primary support for a statement.
has a solid basis
Indicates a firm and reliable foundation, though less formal than "is well founded".
is legitimate
Focuses on the lawfulness or permissibility of something, implying adherence to rules or standards.
is valid
Highlights the correctness and soundness of an argument or conclusion.
is warranted
Implies that a particular action or belief is justified and appropriate in the given circumstances.
is substantiated
Suggests that a claim has been proven or verified through credible sources.
is grounded in reality
Stresses the practical and real-world relevance of an idea or plan.
FAQs
How can I use "is well founded" in a sentence?
The phrase "is well founded" is used to indicate that something has a strong basis in evidence or logic. For example, "The research hypothesis "is well founded", based on previous studies."
What are some alternatives to "is well founded"?
You can use alternatives like "is justified", "is reasonable", or "is supported by evidence" depending on the context.
Is there a difference between "is well founded" and "is well grounded"?
While both phrases convey a sense of having a solid basis, "is well founded" often implies a logical or evidentiary basis, whereas "is well grounded" can also refer to practical experience or real-world application.
When is it appropriate to use "is well founded" in writing?
Use "is well founded" when you want to emphasize that a claim, belief, or concern has a strong and justifiable basis. It is particularly suitable in academic, professional, or formal contexts where credibility and accuracy are important.
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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
4.6/5
Expert rating
Real-world application tested