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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
a reasonable extension
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a reasonable extension" is correct and usable in written English.
It can be used when discussing an idea or proposal that logically follows from a previous point or situation, suggesting that it is sensible or justifiable. Example: "The proposed changes to the policy are a reasonable extension of our current practices, aiming to improve efficiency."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(2)
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
17 human-written examples
I telephoned my opponents and asked if, in view of the fact that I had a full-time job, they'd grant me a reasonable extension of time.
News & Media
At the very least, it would be fair for a reasonable extension to be granted, ideally beyond this calendar year, for individuals and families to consider their options (though there aren't many) and make better informed decisions.
News & Media
The company would consider a reasonable extension period if BASF determines it needs a longer period of time to nominate three individuals for those vacancies in addition to the two it already has nominated.
News & Media
I did not care for all of his new stuff, by any means, but some of it was excellent, and it was a reasonable extension of what he had done up to that point.
News & Media
In Britain many years ago, fish and chips moved from the chip shop to the restaurant menu, gained the prefix "beer-battered", quadrupled in price and has remained there ever since in what now seems like a reasonable extension of a national favourite.
News & Media
The Defense Department welcomed the interest from the European Aeronautic Defense and Space Company, the parent company of Airbus, and would consider making a "reasonable extension" to a May 10 deadline for bids if necessary, Geoff Morrell, the Pentagon press secretary, said in an e-mailed statement on Thursday.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
43 human-written examples
This strategy is a very reasonable extension of its core competency".
News & Media
Ann O'Connell, representing the federal government, said four months plus "an additional reasonable extension" might suffice.
News & Media
The public and press have a constitutionally protected right to view criminal trials, and the use of television cameras is a natural and reasonable extension of that right.
News & Media
We argue, in this paper, that the notion of "ideal acceptability" is applicable to arbitrary semantics and justify this claim by showing that standard properties of classical ideal semantics, e.g. unique status, continue to hold in any "reasonable" extension-based semantics.
Science
A model with just two horizontal layers is a reasonable incremental extension of the half-space model considered by Love and Swidinsky (2014).
Science
Expert writing Tips
Best practice
When requesting additional time on a project, use "a reasonable extension" to convey that you are not seeking an excessive delay, but rather an appropriate amount of extra time to complete the task effectively.
Common error
Don't use "a reasonable extension" without specifying the actual duration or providing a clear justification. Always quantify the extension needed or explain why the extra time is necessary to maintain clarity and avoid ambiguity.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a reasonable extension" functions primarily as a noun phrase, where 'reasonable' acts as an adjective modifying 'extension'. Ludwig AI validates this usage, showcasing its role in various sentence structures, most often to denote acceptability or justification.
Frequent in
News & Media
41%
Science
41%
Wiki
12%
Less common in
Formal & Business
3%
Encyclopedias
1%
Reference
1%
Ludwig's WRAP-UP
In summary, "a reasonable extension" is a phrase commonly used across various contexts, primarily in news, science and general writing. As Ludwig AI confirms, the phrase is grammatically correct and semantically versatile, serving to request or grant additional time or scope with an emphasis on fairness and justification. While alternatives like "a justifiable expansion" or "an acceptable prolongation" can be used, it’s crucial to ensure that any extension request is specific and well-justified to avoid vagueness. The phrase's neutral to professional register makes it appropriate for a variety of settings, balancing formality with practicality.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a justifiable expansion
Focuses on the defensibility and legitimacy of the increase or addition.
a warranted increase
Emphasizes the justification for an increase, often based on necessity or evidence.
an acceptable prolongation
Highlights the permissibility of lengthening something, suitable in formal contexts.
a sensible augmentation
Implies that the addition is not only reasonable but also practical and intelligent.
a legitimate continuance
Suggests that the continuation is lawful and recognized as valid.
a fair timeframe addition
Focuses on justness and impartiality of extra time allowed or granted.
an appropriate term addition
Stresses the suitability and correctness of adding a term or condition.
a sound duration increment
Implies the increase in duration is based on solid reasoning and judgment.
a valid time span increase
Highlights that the increasing of timeframe is accepted and well founded.
a permissible length addition
Suggests that adding length is allowed according to rules or standards.
FAQs
How to use "a reasonable extension" in a sentence?
You can use "a reasonable extension" when requesting or granting additional time or scope for a task or project. For example, "We need to ask for "a reasonable extension" on the deadline to properly complete the analysis."
What can I say instead of "a reasonable extension"?
You can use alternatives like "a justifiable expansion", "a fair timeframe addition", or "an acceptable prolongation" depending on the context.
Is it better to ask for "a reasonable extension" or "an indefinite extension"?
Asking for ""a reasonable extension"" is generally better because it implies a specific and limited amount of additional time, whereas "an indefinite extension" suggests an unspecified and potentially unlimited duration, which may be less acceptable.
What makes an extension "reasonable"?
An extension is "reasonable" if it's justified by specific circumstances, such as unforeseen complications or the need for more thorough analysis. It should be proportional to the work required and not cause undue burden or delay to others.
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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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested