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
rationale on why
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'rationale on why' is correct and usable in written English.
You can use it to explain the reason or justification behind a particular action or decision. For example, "I explained the rationale on why I felt this was the best decision for our company."
✓ Grammatically correct
News & Media
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
4 human-written examples
Hingis gave her own rationale on why Seles is still playing.
News & Media
On his weekly radio show, Mayor Bloomberg laid out his rationale on why the city, which faces a $4.76 billion budget deficit, would be hard pressed to pay police officers more than the amount currently planned: a roughly 10percentt salary increase over the next two years.
News & Media
So you'll see the difference within the show but there's always a hotly debated rationale on why each artist should come into the show.
News & Media
Somewhere in this evolution the justification for a liberal arts degree as the best way to prepare for rewarding professional and personal life no longer dominated the rationale on why to seek a college diploma.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
In this week we generally describe the business rationale of why you need these.
News & Media
Be prepared to have a strong rationale for why it makes sense for you to take on these additional responsibilities, and how you can handle more without compromising your current job.
News & Media
We can think of no rationale for why the effect of censoring on statistical power would differ between the two designs.
The introduction should then go on to set out a better rationale for why specifically the authors thought the MMN should be studied in a rat, and why they should look in the hippocampus for this.
Science
Each one has got to have a written rationale for why we're doing it.
News & Media
"There is no rationale for why these people couldn't be put on the tenure track," says Russell Kleinbach, who is secretary of the faculty and an associate professor of sociology.
Science & Research
In the response to the editor's summary above, we describe our rationale for why we hope to keep the manuscript focused on the big picture or global-scale analyses.
Science
Expert writing Tips
Best practice
When using "rationale on why", ensure it's followed by a clear and concise explanation. Avoid overly complex language that obscures the reasoning.
Common error
Avoid using overly technical or jargon-heavy language when explaining the "rationale on why". Clarity is key to effective communication.
Source & Trust
89%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "rationale on why" functions as a noun phrase that introduces an explanation or justification. It is used to specify the reasoning behind a decision, action, or belief. Ludwig AI confirms that the phrase is usable in written English.
Frequent in
News & Media
50%
Science
50%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Academia
0%
Ludwig's WRAP-UP
The phrase "rationale on why" serves as a clear way to introduce the reasons behind a decision or action. Ludwig AI validates its grammatical correctness and usability in diverse contexts. While it appears more frequently in news and scientific publications, its neutral register makes it suitable for broader application. To maintain clarity, ensure explanations following the phrase are straightforward. Alternatives like "reason for why" or "justification for why" offer similar meanings. Understanding the contexts and nuances of "rationale on why" ensures effective and precise communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
reason for why
Substitutes "rationale" with the simpler "reason", maintaining the focus on causation.
justification for why
Emphasizes the act of proving something to be right or reasonable.
basis for why
Replaces "rationale" with "basis", emphasizing the underlying foundation or justification.
logic behind why
Focuses on the reasoning process leading to a decision or action.
reasoning behind why
Highlights the thought process and justification for a particular choice.
grounds for why
Similar to 'basis', focusing on the fundamental reasons supporting something.
explanation for why
Offers a more direct and less formal way of asking for the cause or justification.
the why behind
A more concise phrasing that puts emphasis on the reasons behind something
the cause of why
Focuses directly on identifying the cause or reason for something
the purpose of why
Highlights the intended aim or goal as the primary reason.
FAQs
What does "rationale on why" mean?
The phrase "rationale on why" refers to the underlying reasons or justification for a particular action, decision, or belief. It explains the reasoning behind something.
How can I use "rationale on why" in a sentence?
You can use "rationale on why" to introduce an explanation. For example, "The CEO explained the rationale on why the company decided to merge with its competitor."
What can I say instead of "rationale on why"?
Alternatives to "rationale on why" include "reason for why", "basis for why", or "explanation for why". The best choice depends on the specific context.
Is it redundant to say "rationale on why"?
While "rationale" inherently implies a reason, including "on why" can sometimes provide additional clarity, particularly when directly linking the justification to a specific action or decision. However, consider whether "reason for why" sounds more natural in certain cases.
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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
4.1/5
Expert rating
Real-world application tested