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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
upon what authority
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "upon what authority" is correct and usable in written English.
It can be used when questioning the legitimacy or basis of a claim, decision, or action. Example: "Upon what authority do you make such a statement regarding the policy changes?"
✓ Grammatically correct
News & Media
Academia
Alternative expressions(20)
on what infrastructure
on what platform
what's the justification
on what based
on what purpose
on what connection
On what grounds
what is the explanation
on what reason
on what foundation
on what ground
what's the reason
on what base
on what criterion
on what evidence
what is the foundation
on what standard
by what right
on what grounds
by what rationale
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
Upon What Authority Might We Teach Morality?
Academia
Upon what authority have I levied this sentence?
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
"The rules can vary dramatically depending upon under what authority you're doing something," he said.
News & Media
What authority the statute purports to confer upon the board is a question of construction.
Academia
On what authority?
News & Media
Who instituted them, on what authority?
News & Media
Here's what authority structures you have.
Academia
What authority might they have?
News & Media
Under what authority did the EPA act?
News & Media
Under what authority?
News & Media
What authority do you have?
News & Media
Expert writing Tips
Best practice
Use "upon what authority" when seeking a formal or emphatic inquiry into the legitimacy or justification of a statement, action, or decision. It adds a layer of gravitas to the question.
Common error
Avoid using "upon what authority" in casual conversations. Its formal tone can sound overly assertive or even confrontational in informal settings. Simpler alternatives like "why" or "what's the basis for this" are more appropriate.
Source & Trust
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "upon what authority" functions as an interrogative phrase, specifically used to question the basis, justification, or legitimacy of an action, statement, or decision. Ludwig AI confirms its usability, emphasizing its role in formal inquiries.
Frequent in
News & Media
50%
Academia
50%
Formal & Business
0%
Less common in
Science
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
The phrase "upon what authority" serves as a formal and emphatic way to inquire about the justification or legitimacy behind a statement or action. Ludwig confirms its grammatical correctness and usability, though it's best suited for formal contexts due to its assertive tone. Primarily found in News & Media and Academia, it's a powerful tool for demanding accountability. While grammatically sound, remember that simpler alternatives are often more appropriate in casual conversation.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
By what authority
Omits "upon", resulting in a slightly more direct and common phrasing.
On what grounds
Shifts focus to the justification or reason for an action or statement.
What is the basis for
More verbose, emphasizing the underlying foundation or rationale.
What justifies
Focuses specifically on the justification, often implying a challenge.
What empowers
Highlights the source of power or authorization.
Under whose authorization
More formal and emphasizes the authorizing entity.
With what justification
Formal and stresses the need for a valid justification.
What is the warrant for
Emphasizes the legitimacy and legal basis.
Where does the authority come from
Inquires about the origin of the authority in question.
What is the source of your authority
More direct and personal, questioning the individual's claim to authority.
FAQs
How can I use "upon what authority" in a sentence?
You can use "upon what authority" to formally question the basis of a claim or action, such as, "Upon what authority do you make such a statement regarding policy changes?"
What's a less formal alternative to "upon what authority"?
Less formal alternatives include phrases like "by what authority" or "on what grounds", which are more commonly used in everyday conversation.
Is "upon what authority" considered grammatically correct?
Yes, "upon what authority" is grammatically correct, but it carries a formal tone. Ludwig confirms its usability in written English.
In what contexts is "upon what authority" most appropriate?
"Upon what authority" is most appropriate in formal or legal contexts where you need to challenge the basis of a statement or action with a degree of emphasis.
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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
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested