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
under the idea that
Grammar usage guide and real-world examplesUSAGE SUMMARY
"under the idea that" is correct and usable in written English.
It is often used to introduce a thought or belief that explains or justifies a given action. Example: We decided to move to a new city under the idea that a change of scenery would help us both to relax and rejuvenate.
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
based on the premise that
assuming that
with the understanding that
on the grounds that
guided by the principle that
believing that
taking for granted that
reasoning that
under the rationale that
under the premise that
under the illusion that
under the reasoning that
under the possibility that
under the principle that
under the understanding that
under the rock that
under the assumption that
under the table that
under the hood that
under the machine that
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
18 human-written examples
If anything, I gave away a fair amount, under the idea that it was more important to get this company off the ground than to be able to say it was mine.
News & Media
This fits neatly under the idea that a SaaS account, once sold, becomes a quick profit source.
News & Media
Apple's selling the App Store to people under the idea that for any given need or interest, "There's an App for that".
News & Media
The company operates under the idea that if everyone who shares a cause they believe in would also drop a dollar in the cause's coffers, they'd make a huge impact.
News & Media
We are interested in how they affect each other in the context of a network of scientific collaboration under the idea that while researchers are interested in maximizing their utilities, they also know that it is important to invest in building collaborative relationships.
This is, one might say, a principle of intelligibility of action (cf. Grisez 1965): only action that can be understood as conforming with this principle, as carried out under the idea that good is to be sought and bad avoided, can be understood as an intelligible action.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
41 human-written examples
The Commission wants to under-pin the idea that it is only when a large number of Europeans recognise an entrepreneurial career as a rewarding and attractive option that entrepreneurial activity in Europe will thrive in the long term.
News & Media
In one of his earliest works, dating from before the war, he had argued that language is 'systematically misleading' (1932), although as he himself later remarked (in Rorty 1967, 305 [Quotation]), he was still under the influence of the idea that was always a 'correct' logical form to be uncovered (see §6 of the main document).
Science
It had to do with the pile of freebies that I apparently live under and the idea that I lie about them.
News & Media
Ms Rice's preferred compromise testifying in private and not under oath reinforced the idea that she was frightened of being caught in a lie.
News & Media
What's under dispute is the idea that spending patterns have diverged too.
News & Media
Expert writing Tips
Best practice
Use "under the idea that" to clearly state the core belief or assumption driving a decision or action. This helps provide context and rationale for your statements.
Common error
Avoid using "under the idea that" when referring to physical objects or locations. This phrase is best suited for abstract concepts and beliefs, not literal placements.
Source & Trust
84%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "under the idea that" functions as a prepositional phrase introducing a clause that provides the rationale or justification for an action or a situation. It serves to explain the underlying belief or assumption upon which something is based. As Ludwig AI confirms, it's a usable and correct expression.
Frequent in
News & Media
50%
Science
34%
Formal & Business
16%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "under the idea that" is a useful phrase to introduce the underlying rationale or assumption for a particular action or decision. As Ludwig AI indicates, the phrase is grammatically correct and suitable for various writing styles. It is common in news, science, and formal business contexts. Related phrases such as "based on the premise that" or "assuming that" offer alternative ways to express similar meanings. Remember to use it appropriately, avoiding literal placements or objects and ensuring it aligns with abstract concepts and beliefs.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
based on the premise that
Introduces a foundational assumption as the basis for something.
with the understanding that
Emphasizes a mutual agreement or awareness.
on the grounds that
Suggests a more formal justification or legal basis.
guided by the principle that
Highlights a guiding rule or belief system.
believing that
Focuses on the belief as the driving force, slightly less formal.
proceeding from the notion that
Indicates a starting point based on a concept or idea.
assuming that
Highlights the assumption being made, potentially implying less certainty.
operating on the hypothesis that
Highlights a testable explanation or prediction.
taking for granted that
Expresses acceptance of something as true without proof.
reasoning that
Focuses on the logical thought process.
FAQs
How can I use "under the idea that" in a sentence?
Use "under the idea that" to introduce the foundational belief or assumption behind an action or decision. For example, "We invested in renewable energy "under the idea that" it would yield long-term economic and environmental benefits".
What phrases are similar to "under the idea that"?
Similar phrases include "based on the premise that", "assuming that", or "with the understanding that". These alternatives can add variety to your writing while conveying the same essential meaning.
Is it correct to say "under the impression that" instead of "under the idea that"?
"Under the impression that" refers to a belief or perception, often implying a misunderstanding, while "under the idea that" indicates a guiding principle or rationale. The choice depends on whether you want to emphasize a potential misinterpretation or a foundational belief.
What's the difference between "under the assumption that" and "under the idea that"?
"Under the assumption that" suggests something is taken for granted without proof, while "under the idea that" indicates a core belief or rationale behind a decision. The difference lies in the level of scrutiny and justification implied.
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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
84%
Authority and reliability
4.3/5
Expert rating
Real-world application tested