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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
The justification why
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "The justification why" is not correct in standard written English.
It is generally better to use "the reason why" or simply "the justification" without "why." Example: "The justification why we chose this method is based on extensive research."
⚠ May contain grammatical issues
Science
News & Media
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
Space precludes detailed descriptions of the new algorithms, which are fully referenced, with some of the main results being presented and the justification why these data validity issues need to be addressed by the Process Systems Engineering and CAPE communities.
The fact that GML estimates the unknown parameters and uses them to extract the hidden information might be the justification why the slope of its performance does not become smaller as the DWR decreases.
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
The Prevailing Justification: Why Are We Hung Up On Voter Fraud?
News & Media
Many of the associate nations have asked for greater exposure against the established sides, with Mohammad Tauqir, the UAE captain, asking – with some justification – why no one played against his team when they toured the Middle East to play Pakistan.
News & Media
Nadal had quietly expressed reservations about the surface beforehand, wondering, with some justification, why he was not playing on his favoured clay in a country where the red dirt is as common as in his native Spain.
News & Media
It kind of fed into the justification of why he loves America so much".
News & Media
The justification problem: Why adopt simple hypotheses?
Science
This simple reality is precisely what makes the venture business hard, and the justification for why partners make such huge fees.
News & Media
Facebook frequently falling back on pointing to its massive size as the justification for why it keeps failing on so many types of issues — be it consumer safety or indeed data protection compliance — may even have interesting competition-related implications, as some have suggested.
News & Media
The Congressional Research Service, whose reports are available to citizens if they beg their representatives for a copy, has yet to give a clear justification why they've not opened their data to the public.
News & Media
This provides additional justification why it would be inaccurate to use individuals as the grain size to check the pervasiveness of SCALE-UP against the DOI curve.
Expert writing Tips
Best practice
Prefer the concise form "the justification" without the "why", when you want to express why something is being done.
Common error
Avoid using both "justification" and "why" together, as it creates redundancy. Choose either "the justification" or "the reason why" for a more streamlined sentence.
Source & Trust
89%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "the justification why" attempts to provide an explanation or rationale for a particular action, decision, or situation. However, Ludwig points out that this construction is grammatically incorrect. It is typically used to introduce the reason or motive behind something.
Frequent in
Science
50%
News & Media
50%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, while the phrase "the justification why" is used to explain the reasons behind something, Ludwig indicates that it's not grammatically correct. The preferred alternatives include "the reason why" or simply "the justification". The phrase appears in both news and scientific contexts, but given its grammatical issues, opting for clearer and more accepted alternatives ensures better communication. Be mindful of redundancy and aim for streamlined sentence structures in your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
the reason why
Replaces "justification" with "reason", offering a more common and grammatically correct alternative.
the explanation for
Uses "explanation" instead of "justification", focusing on clarifying the reason for something.
the rationale behind
Substitutes "justification why" with "rationale behind", providing a more concise and formal phrasing.
the reasoning behind
Emphasizes the logical thought process or argument supporting a decision.
the basis for
Offers a broader term, "basis", to indicate the underlying reason or support for something.
the grounds for
Replaces "justification" with "grounds", suggesting a legal or formal reason.
the argument for
Highlights the presented evidence or rationale in support of a particular claim or action.
the cause of
Shifts the focus to the direct cause or reason for an event or action.
the motive for
Focuses on the underlying motivation or intent behind an action.
the purpose of
Highlights the intended goal or objective behind an action or decision.
FAQs
Is "the justification why" grammatically correct?
According to Ludwig, the phrase "the justification why" is not considered grammatically correct in standard written English. It's better to use "the reason why" or simply "the justification".
What's the difference between "the justification" and "the reason why"?
While both phrases can be used to explain the cause or basis for something, "the justification" is more concise and formal, whereas "the reason why" is more common in everyday language. Consider that "the reason why" is grammatically correct while the other is not.
How can I rewrite a sentence using "the justification why"?
Instead of saying "the justification why", try using phrases like "the reason why", "the rationale behind", or simply "the justification". For example, "The justification why we chose this method is based on extensive research" can be rewritten as "The reason why we chose this method is based on extensive research" or "The justification for choosing this method is based on extensive research".
Are there situations where "the justification why" is acceptable?
While some sources use "the justification why", it is generally considered grammatically incorrect. It's best to opt for clearer and more accepted alternatives such as "the reason why" or "the justification" to ensure your writing is grammatically sound and easily understood.
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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
2.8/5
Expert rating
Real-world application tested