Used and loved by millions
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
substantive reasons why
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "substantive reasons why" is correct and usable in written English.
It can be used when discussing significant or meaningful justifications for a particular argument or decision. Example: "The committee provided substantive reasons why the proposal should be approved, emphasizing its potential benefits."
✓ Grammatically correct
News & Media
Science
Alternative expressions(3)
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
2 human-written examples
At a moment when authors are putting everything they have ever written into digital format, people thought that surely there must have been more substantive reasons why Penguin was upset.
News & Media
Yes, we tend to exaggerate the geographic differences — one league, same ball, large bodies — but there are also substantive reasons why the West has long been known as the conference of quiche-eaters.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
"There was zero substantive reason why this couldn't have been eighty votes," he said.
News & Media
He has already produced a series of ads which even Mr Rove has criticised for going too far.Playing for keepsThere is a more substantive reason why the culture wars remain at the heart of American politics.
News & Media
A momentary shadow was cast over the Newark ceremony when Booker asked the crowd to speak if they knew of any "substantive reason" why Panessidi and Bell should not be wed.
News & Media
But having said all that, there's another, more substantive reason why the conspiracy theories survive: the official version of events begs questions; in some aspects, it beggars belief.
News & Media
Perhaps the most substantive reason why advocates have rejected the "assisted suicide" label has to do with legal strategy.
News & Media
The reasons why this technology has been essential are examined.
Science
There were, then, many reasons why Darwin should have been disposed in The Descent of Man to shrink from any substantive discussion of whether extinct human relatives might actually be represented in fossil form.
He offered two reasons why.
News & Media
That said, there are plenty of substantive reasons for singling out cotton.
News & Media
Expert writing Tips
Best practice
When using "substantive reasons why", ensure that the reasons you provide are not superficial but offer a real depth of explanation. Always back up claims with evidence or logical arguments.
Common error
Avoid presenting reasons that lack specific details or supporting evidence when employing "substantive reasons why". Instead, provide clear, detailed justifications that can withstand scrutiny.
Source & Trust
91%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "substantive reasons why" functions as a connector introducing a detailed explanation or justification. It sets the expectation that the subsequent reasons will be significant and well-supported. As shown by Ludwig, it is used to preface explanations in various contexts.
Frequent in
News & Media
67%
Science
33%
Formal & Business
0%
Less common in
Wiki
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "substantive reasons why" is a grammatically correct phrase used to introduce significant and well-supported explanations. As confirmed by Ludwig, it appears primarily in news and media and scientific contexts. While it's not very common, it adds weight to the reasons provided, suggesting a deeper and more thorough justification. When employing this phrase, ensure that the subsequent reasons are indeed substantive and backed by evidence to avoid vagueness.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
compelling reasons for
Emphasizes the persuasiveness or convincing nature of the reasons.
significant grounds for
Highlights the importance and validity of the justification.
valid justifications for
Focuses on the legitimacy and soundness of the reasons.
legitimate basis for
Indicates a lawful or acceptable foundation for the reasoning.
material causes for
Stresses the relevance and importance of the causes.
sound rationale behind
Highlights the logical and well-reasoned nature of the basis.
genuine explanations for
Underlines the authenticity and truthfulness of the explanations.
well-founded explanations for
Implies a solid and demonstrable basis for the explanations.
concrete motives for
Emphasizes the tangible and specific nature of the motives.
serious considerations for
Highlights the weight and importance of the reasons.
FAQs
How can I effectively use "substantive reasons why" in a sentence?
To effectively use "substantive reasons why" in a sentence, present it as an introduction to a series of well-supported and significant explanations. For example, "The report outlined the "compelling reasons why" the project should be approved." Ensure the reasons are detailed and evidence-based.
What are some alternatives to "substantive reasons why" that I can use?
Some alternatives to "substantive reasons why" include "compelling reasons for", "significant grounds for", or "valid justifications for". The choice depends on the specific context and nuance you wish to convey.
Is there a difference between "substantive reasons why" and "main reasons why"?
"Substantive reasons why" implies that the reasons are not only primary but also significant, detailed, and well-supported. "Main reasons why" simply indicates the primary explanations without necessarily emphasizing their depth or quality. Therefore, substantive suggests more in-depth and compelling rationales.
When is it appropriate to use "substantive reasons why" in formal writing?
It is appropriate to use "substantive reasons why" in formal writing when you need to provide explanations that are thorough, well-supported, and carry significant weight. This is particularly useful in academic papers, legal documents, and business reports where detailed justification is essential.
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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
91%
Authority and reliability
4.5/5
Expert rating
Real-world application tested