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
sound justification
Grammar usage guide and real-world examplesUSAGE SUMMARY
"sound justification" is an acceptable phrase in written English.
It is used to refer to a solid, logical argument or explanation. For example, "The lawyer provided a sound justification for why the defendant should be acquitted."
✓ Grammatically correct
Science
News & Media
Formal & Business
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
14 human-written examples
Then again, since when is a business case sound justification to ignore equality rights?
News & Media
"At the very least, this study should provide a sound justification for further, broader testing of memantine".
News & Media
A sound justification is provided for the proposed boundary conditions mathematically as well as financially.
It is distinct from the idea of validity as moral propriety, i.e. a sound justification for respecting the norm.
Science
Researchers should consider these ethical issues, and there is some worry that they will fail to do so: Enthusiasts seem unperturbed by the ethical problems associated with mammoth resurrection and oddly uninterested in finding a sound justification for the process.
"We strongly believe pilots should be carried out to provide this evidence and children's views must also be considered before a firm decision is made because we think there must be sound justification for not proceeding with a requirement on professionals to report abuse," she said.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
44 human-written examples
Wall Street has often been a facilitator of bubbles, and in their formation, financiers find plenty of seemingly sound justifications for strongly rising asset prices.
News & Media
But it promises to vindicate reason's ability (and right) to distinguish sound justifications from mere rationalizations.
Science
And it would give the West sounder justification for a military strike on Iran's nuclear facilities, since Tehran's ultimate goal would no longer be ambiguous.
News & Media
There is no sound economic justification for the decision by Gov. Rick Scott of Florida to reject $2.4 billion in federal financing for the vital Tampa-to-Orlando high-speed rail project.
News & Media
In this article, we describe how the German ban on the cultivation of MON810 Bt-transgenic maize plant has been criticized for not having a sound scientific justification and provide arguments for why we disagree with this perspective.
Expert writing Tips
Best practice
When writing formally, "sound justification" adds weight to your arguments, indicating that they are not arbitrary but carefully considered and well-supported.
Common error
Avoid using "sound justification" in casual conversation or informal writing. Simpler phrases like "good reason" or "valid explanation" are more appropriate.
Source & Trust
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "sound justification" functions as a noun phrase, where "sound" acts as an adjective modifying the noun "justification". It identifies a specific type of justification, one that is considered valid, logical, and well-supported. Ludwig's examples demonstrate its use in contexts requiring a strong, defensible rationale.
Frequent in
Science
47%
News & Media
37%
Formal & Business
16%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "sound justification" is a commonly used noun phrase, frequently found in scientific, news, and formal contexts, used to provide a solid and well-supported rationale. It is grammatically correct and connotes credibility and logical reasoning. Ludwig AI confirms its widespread use across various authoritative sources. While versatile, it's best suited for formal writing and professional communication, avoiding overuse in casual settings. Alternatives like "valid reason" or "compelling rationale" can be used depending on the specific nuance required.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
valid reason
Replaces "justification" with a more direct term for a supporting cause.
compelling rationale
Emphasizes the strength and persuasiveness of the underlying reasoning.
solid basis
Focuses on the foundational support for a claim or action.
legitimate grounds
Highlights the lawfulness and acceptability of the justification.
well-founded argument
Indicates that the justification is based on solid evidence and reasoning.
reasonable explanation
Presents the justification as a logical and understandable account.
cogent defense
Suggests a strong and persuasive defense of a position or action.
rational basis
Highlights the logical and reasoned nature of the justification.
adequate grounds
Indicates that there is sufficient reason to support a particular action or belief.
defensible reason
Suggests that the reason can be supported against criticism.
FAQs
How can I use "sound justification" in a sentence?
You can use "sound justification" to explain why a particular action or decision is reasonable and well-supported. For example: "The research provided a "sound justification" for the new policy".
What are some alternatives to "sound justification"?
Some alternatives include "valid reason", "compelling rationale", or "solid basis". The best choice depends on the specific context and the nuance you want to convey.
Is "sound justification" formal or informal?
"Sound justification" leans towards the formal side. In informal contexts, simpler phrases like "good reason" or "valid explanation" might be more appropriate.
What is the difference between "sound justification" and "good reason"?
"Sound justification" implies a more thorough and well-reasoned basis for an action or decision, whereas "good reason" is a more general and less emphatic term. "Sound justification" is often used in formal or professional settings.
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
4.1/5
Expert rating
Real-world application tested