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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
chief rationale for
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "chief rationale for" is correct and usable in written English.
It can be used to indicate the primary reason or justification for a particular action, decision, or belief. Example: "The chief rationale for implementing the new policy was to improve employee productivity and morale."
✓ 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
5 human-written examples
But Mr. Kay and his search team had the integrity to report conclusions that undermined the administration's chief rationale for going to war.
News & Media
Most of those surveyed rejected Mayor Michael R. Bloomberg's chief rationale for the practice, saying they did not think that stopping and frisking suspicious people had lowered the crime rate or reduced the use of illegal guns.
News & Media
Mr. Kerry's efforts to use the disappearance of the explosives to question the president's competence as commander in chief, both on Iraq and on domestic security, signaled that he would take aim directly at Mr. Bush's chief rationale for re-election: that he is better prepared to lead a war against terrorists.
News & Media
Exxon may hold the highest stock valuation among listed firms, but it is dwarfed by Saudi Arabia's unlisted Aramco, whose oil reserves are 20 times larger and off-limits to foreigners.A chief rationale for the recent mergers was that only super-majors can afford to spend the sort of money that might help them bag various giant oil prospects.
News & Media
This rapid growth of mobile phone ownership in LMICs forms the chief rationale for promoting mHealth.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
"Experience is not the only point," Sanders said, going at one of the chief rationales for Clinton's candidacy.
News & Media
[A1.] AOL Subscriber Sales Disappoint According to Gerald M. Levin, the chief executive of AOL Time Warner, the main rationale for the multibillion-dollar merger that created the company was subscriptions, from Time Warner's magazine and cable business and from the America Online Internet operations.
News & Media
Mark R. Freeman, chief investment officer at the Westwood Holdings Group, notes that the primary rationale for rebalancing is to manage the overall risk of a portfolio.
News & Media
These interests emerged as the principal rationale for caseload midwifery, as underlined below by the chief midwife's focus on maintaining work satisfaction among caseload midwives.
Science
Pact chief executive John McVay said: "The rationale for maintaining a large in-house production division and guarantee is crumbling – the BBC themselves recognise this.
News & Media
Franklin also sent AF Chief of Staff Mark Welsh his rationale for dismissing the verdict.
News & Media
Expert writing Tips
Best practice
To enhance clarity, follow "chief rationale for" with a concise explanation or evidence supporting why this rationale is considered the most important.
Common error
Avoid using "chief rationale for" when the rationale is debatable or not universally accepted. This can weaken your argument. Instead, consider using "a rationale" or "one rationale" to indicate that it's just one of several reasons.
Source & Trust
89%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "chief rationale for" functions as a noun phrase that introduces the primary reason or justification for a particular action, decision, or belief. Ludwig AI confirms its correctness and usability in written English. It often serves to clarify the underlying motivation or strategic thinking behind something.
Frequent in
News & Media
60%
Science
40%
Formal & Business
0%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "chief rationale for" is a noun phrase used to highlight the primary reason or justification behind something. According to Ludwig AI, the phrase is grammatically correct and usable in written English. It is most frequently found in News & Media and Science contexts, indicating its use in formal explanations and analyses. While less common, it serves to provide clarity and emphasize the core logic behind a decision or action. When using this phrase, ensure it accurately represents the most important reason and is supported by clear evidence.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
primary justification for
Replaces 'rationale' with 'justification' and 'chief' with 'primary', emphasizing the main reason.
main reason for
Uses simpler vocabulary; 'main' instead of 'chief' and 'reason' instead of 'rationale'.
principal cause of
Focuses on the causal aspect, highlighting the main reason something happens.
key motive behind
Emphasizes the motivation or driving force behind an action or decision.
core explanation for
Highlights the central explanation or reason for something.
central reason for
Similar to 'main reason', but uses 'central' to convey the importance.
fundamental basis for
Suggests a foundational reason or justification.
underlying justification for
Highlights the deeper, less obvious reasons behind something.
driving force behind
Emphasizes the element that propels or motivates something.
essential grounds for
Emphasizes the critical or indispensable reasons for something.
FAQs
How can I use "chief rationale for" in a sentence?
You can use "chief rationale for" to introduce the primary reason or justification behind a decision, action, or belief. For example: "The "chief rationale for" the merger was to increase market share".
What are some alternatives to "chief rationale for"?
Alternatives include "primary justification for", "main reason for", or "principal cause of". The best choice depends on the specific context and the nuance you want to convey.
Is "chief rationale for" formal or informal?
"Chief rationale for" is generally considered a formal phrase suitable for academic, professional, and news contexts. Simpler alternatives like "main reason" may be more appropriate for informal settings.
What's the difference between "rationale" and "reason"?
"Rationale" implies a more reasoned, systematic explanation than "reason". While "reason" is more general, "rationale" suggests a carefully constructed justification. Therefore using "chief rationale for" suggest a very though decision.
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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