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
required justification for
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "required justification for" is correct and usable in written English.
It can be used when discussing the need for an explanation or rationale behind a decision, action, or request. Example: "The committee stated that a required justification for the budget increase must be submitted by the end of the week."
✓ Grammatically correct
Science
News & Media
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
In early December, officials completed a required "justification for other than full and open competition," which said an antiviral against smallpox was needed within five years and Siga was the only company able to meet that timetable.
News & Media
The 96 in vitro CAD (TG 473) tests proposed in the most recent test plans or U.S. EPA comments did spare the lives of 4,800 animals, but 29 in vivo CAD (TG 474) tests were also proposed, with only six sponsors submitting the required justification for using this assay.
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
But he also considers modifying his account so that it requires justification for believing primary propositions.
Science
A serious case for disagreement-based local skepticism regarding some entire class of intuitions which evades the non-self-undermining constraint would require justification for thinking that quite substantial disagreement with some equally (or more) competent other person has arisen.
Science
Justifying an ordering of values on the basis of capitalist ideology should first require justification for that capitalist ideology itself, which I don't think can plausibly be provided any longer.
News & Media
Recommendations for reforming such government programs included requiring justification for use of specific equipment acquired through the 1033 program, imposing limits on the amount and type of military property acquired by law enforcement agencies, and that law enforcement agencies keep records of property they purchase with government funds.
News & Media
Furthermore, the establishment of PACS is an expensive undertaking requiring justification for its cost [ 22].
To this end, the trust is designed with mechanisms for promoting host capacity: it requires justification for the exportation of tissues and exacts a fee from users submitting such requests.
Science
For some, morality also requires charitable actions, but failure to act charitably on every possible occasion does not require justification in the same way that any act of killing, causing pain, deceiving, and breaking promises requires justification.
Science
It requires justification: one must have good reasons for believing.
Science
Therefore, changes proposed to currently validated processes usually require justification and are reported to the US FDA for approval.
Expert writing Tips
Best practice
When using "required justification for", ensure the context clearly indicates who requires the justification and for what purpose. This adds clarity and avoids ambiguity.
Common error
Avoid using "required justification for" in situations where a simple explanation would suffice. The phrase implies a formal or critical need for detailed reasoning.
Source & Trust
84%
Authority and reliability
4.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "required justification for" functions as a noun phrase, often acting as the object of a verb or preposition. It signifies the necessity of providing reasons or evidence to support a claim, action, or decision. Ludwig's examples highlight its role in formal requests or regulatory contexts.
Frequent in
Science
50%
News & Media
50%
Formal & Business
0%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "required justification for" is a noun phrase indicating a formal need for a well-supported explanation or rationale. According to Ludwig, it is deemed grammatically correct and usable, although less common. It's frequently seen in scientific, news, and media sources, denoting its formal tone. When writing, remember to clarify who requires the justification and for what purpose. Alternative phrases include "necessary rationale for" and "mandatory explanation for", suitable for different contexts.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
necessary rationale for
Replaces "justification" with "rationale", emphasizing the reasoning behind a decision or action.
mandatory explanation for
Substitutes "justification" with "explanation", highlighting the need for clarification or understanding.
needed grounds for
Uses "grounds" instead of "justification", focusing on the basis or foundation for something.
essential reasons for
Replaces "justification" with "reasons", emphasizing the cause or motive behind an action.
requisite proof for
Substitutes "justification" with "proof", highlighting the need for evidence or validation.
compulsory accounting for
Replaces "justification" with "accounting", emphasizing the need for a detailed explanation.
obligatory substantiation for
Uses "substantiation" instead of "justification", focusing on the need for supporting evidence.
indispensable validation for
Substitutes "justification" with "validation", highlighting the need for confirmation or approval.
exigible defense for
Uses "defense" instead of "justification", focusing on the argument or support for a position.
due case for
Replaces "justification" with "case", focusing on the argument or presentation of reasons.
FAQs
How can I use "required justification for" in a sentence?
You can use "required justification for" to indicate that a detailed explanation or rationale is needed. For example, "The manager stated that a "required justification for" the budget increase must be submitted by the end of the week."
What can I say instead of "required justification for"?
You can use alternatives like "necessary rationale for", "mandatory explanation for", or "needed grounds for" depending on the context.
When is a "necessary rationale for" more appropriate than a "required justification for"?
While similar, "necessary rationale for" might be used in less formal settings or when the emphasis is more on the reasoning than the formal requirement of a justification. The phrase "required justification for" suggests a formal demand.
Is "compulsory accounting for" similar to "required justification for"?
Yes, "compulsory accounting for" is similar to "required justification for", but it emphasizes the need for a detailed report or explanation, often financial in nature. It's used when a full and transparent explanation is mandated.
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
84%
Authority and reliability
4.2/5
Expert rating
Real-world application tested