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
a valid rationale for
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a valid rationale for" is correct and usable in written English.
It can be used when discussing the reasoning or justification behind a particular action, decision, or belief. Example: "The committee provided a valid rationale for the proposed changes to the policy, emphasizing the need for improved efficiency."
✓ Grammatically correct
Science
News & Media
Alternative expressions(16)
a sound basis for
a well-founded reason for
a compelling argument for
a legitimate justification for
a reasonable explanation for
a defensible explanation for
a cogent reason for
a good reason for
a sound justification for
a legal foundation for
a legal basis for
a legal rationale for
a legal grounding for
a lawful basis for
a legal justification for
a legitimate reason for
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
6 human-written examples
One of the biggest mistakes that people make in influencer marketing is not having a valid rationale for why you are reaching out to each person, and what the purpose of the outreach is.
News & Media
McCain campaign adviser Steve Schmidt said just this morning that GOP insistence that there is widespread voter fraud is "bogus" and part of the party's "mythology," undercutting the only fig leaf of a valid rationale for these execrable practices.
News & Media
On the other hand, suppressing the CXCL-8-dependent pathway provides a valid rationale for melanoma therapy.
Science
Such evidence suggests new insight into the role of aberrant S-nitrosylation in the pathogenesis of neurodegeneration and provides a valid rationale for novel and selective therapeutic approaches.
Science
These findings have established a valid rationale for future studies with these compounds to further elucidate their potential therapeutic modalities for the treatment of PD in humans (Marvanova and Nichols 2007; Nass et al. 2002).
In 1.4% (3 patients), there was a dominating clone with more than 75% BRAF V600E mutated cells, which can be regarded as a valid rationale for BRAF inhibitor treatment.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
54 human-written examples
To critics of the opinion such as Rosenzweig, the "passionate" Leon did not find a valid rationale to abandon Smith.
News & Media
That's even not a valid rationale to let anyone off the culpability hook.
News & Media
Mr. Davis argued to a special three-judge Federal District Court here that the disclosure requirements placed an unconstitutional and "unilateral" burden on his right to political expression, and further that there was no constitutionally valid rationale for the provision that he called "unique in the history of campaign finance jurisprudence".
News & Media
We selected low strength static magnet (LSSM) therapy as the control intervention on the basis that it was a recognized and popular alternative treatment for pain syndromes, had a valid biological rationale and would probably provoke similar expectations of healing.
Despite the poor methodological quality of the research and the lack of direct applicability to humans these articles do provide valid scientific rationale for the use of corticosteroids in septic arthritis.
Expert writing Tips
Best practice
When using "a valid rationale for", ensure the rationale is not only logically sound but also aligns with ethical considerations and accepted norms within the relevant field or context.
Common error
Avoid presenting a rationale as "valid" without sufficient evidence or justification. Always provide supporting details to substantiate the claim that the rationale is, in fact, valid.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a valid rationale for" functions as a noun phrase, introducing the reason or justification behind a decision, action, or belief. Ludwig examples demonstrate its use in providing a sound and defensible basis for various actions.
Frequent in
Science
30%
News & Media
30%
Formal & Business
20%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "a valid rationale for" is a noun phrase used to introduce well-supported and defensible justifications. Ludwig AI confirms its grammatical correctness and suitability for both formal and neutral contexts, appearing frequently in scientific and news media sources. When using this phrase, ensure your rationale is not only logical but also substantiated with evidence. Alternative phrases like "a sound basis for" or "a compelling argument for" can offer nuanced variations. Remember that while 'rationale' implies reason, 'valid' emphasizes its soundness, contributing to clarity and persuasiveness.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
a legitimate justification for
Replaces "rationale" with "justification", emphasizing the legal or moral permissibility of something.
a logical justification for
Adds 'logical' to further clarify the type of justification that is suggested
a sound basis for
Substitutes "rationale" with "basis", highlighting the foundation or support for an action or belief.
a well-founded reason for
Uses "reason" instead of "rationale", stressing that the reason is based on solid evidence or logic.
a compelling argument for
Replaces "rationale" with "argument", suggesting a persuasive and convincing reason.
a reasonable explanation for
Replaces 'rationale' with 'explanation' which has a more general meaning, applicable to broader contexts.
a defensible explanation for
Emphasizes the ability to defend or justify the reason provided.
a cogent reason for
Highlights the clarity and logical soundness of the reason.
an acceptable ground for
Focuses on the acceptability or permissibility of the reason.
a good reason for
Simplifies the phrase, using more common vocabulary while retaining the core meaning.
FAQs
How can I use "a valid rationale for" in a sentence?
You can use "a valid rationale for" to introduce the reasons or justification behind a decision, action, or belief. For example, "The company presented "a valid rationale for" the restructuring, citing declining market share and increased operational costs."
What is a good alternative to "a valid rationale for"?
Alternatives include "a sound basis for", "a well-founded reason for", or "a compelling argument for", depending on the specific nuance you want to convey.
Is it redundant to say "a valid rationale for"?
While "rationale" inherently implies a reason or justification, using "valid" emphasizes that the reason is sound, logical, and well-supported. The redundancy is minimal and can be useful for clarity.
What distinguishes "a valid rationale for" from "a reason for"?
"A reason for" is a general term for any explanation or justification. "A valid rationale for" suggests a more formal, carefully considered, and defensible justification.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
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