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
arbiter of fact
Grammar usage guide and real-world examplesUSAGE SUMMARY
"arbiter of fact" is a correct and usable phrase in written English.
You can use it to refer to someone who is trusted to make the definitive judgement on a particular matter. For example, "The court appointed an arbiter of fact to determine how the dispute should be resolved."
✓ 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 similar examples from authoritative sources
Similar Expressions
57 human-written examples
All the elements of a legal thriller are here — coerced confessions, recanting witnesses, 11th-hour reprieves, death threats — but Whitaker seems hesitant to step out of his role as arbiter of facts and embrace a more imaginative approach.
News & Media
But days ahead of his scheduled execution, with significant expert evidence that his mental health has deteriorated, the state has a legal and moral responsibility to let Clayton's lawyers make the case now, before an independent arbiter of facts -- be it the courts or a special master, as the filing seeks -- that he meets the guidelines for mercy.
News & Media
"I'm hard-pressed to believe anyone would consider Congressman Waxman an objective arbiter of scientific fact," White House spokesperson Adam Levine told The Washington Post.
Science & Research
Readers, she added, could come to see The Times "as a combatant, not as an arbiter of what the facts were".
News & Media
You become the sole arbiter of research, finding things out, fact-checking, analyzing, etc.
Wiki
The brains and their owners no longer distinguish between what is most important, how to get stuff done, and who in fact is the arbiter of the importance of the stuff that needs to be done.
News & Media
Because all the food in that household was cooked by her — years earlier, an attempted takeover by one of the uncle's wives had been swiftly and tyrannically rebuffed — my grandmother was, in fact, the ultimate arbiter of taste.
News & Media
But, in fact, she's an arbiter of Canada's laudable electro-pop scene, as the impressive archive of this sorely missed podcast suggests.
News & Media
Touted by press and politicians alike as an objective and fair-minded arbiter of healthcare reform, the MIT economist was in fact a warrior for the cause, invested emotionally, politically and, it turns out, financially through undisclosed consulting arrangements.
News & Media
Facebook doesn't want to be the arbiter of decency when it comes to content policy decisions, similar to how it looked to third-party fact checkers rather than becoming an arbiter of truth.
News & Media
That fact set the stage for an economic rebound that began in mid-2009, withethe National Bureau of Economic Research, the arbiter of such things, determining that the recession ended in June of that year.
News & Media
Expert writing Tips
Best practice
When using "arbiter of fact", ensure the context clearly establishes the specific area or domain over which the arbiter has authority. For example, 'The court appointed an "arbiter of fact" to determine the timeline of events in the contract dispute.'
Common error
Avoid using "arbiter of fact" to describe someone who is merely presenting an opinion or interpretation. This phrase implies a definitive, evidence-based judgment, not subjective viewpoints.
Source & Trust
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "arbiter of fact" functions as a noun phrase, typically used to identify an individual or entity with the authority to determine the factual basis of a situation. As indicated by Ludwig, it suggests a definitive judgment based on evidence.
Frequent in
News & Media
50%
Science
50%
Encyclopedias
0%
Less common in
Formal & Business
0%
Wiki
0%
Academia
0%
Ludwig's WRAP-UP
The phrase "arbiter of fact" describes an entity responsible for determining the truth in a given situation. Ludwig AI confirms that it is grammatically correct and usable in written English. While not very common, its use is appropriate in contexts requiring a neutral, authoritative tone, particularly in news, media, and legal settings. The phrase is best used when referring to someone making an evidence-based judgment rather than expressing a subjective opinion. Alternatives include "judge of the facts" or "determiner of truth". Be aware of other options in order to make sure that your writing is as comprehensive as possible.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
judge of the facts
Replaces "arbiter" with "judge", focusing on the act of judging facts.
determiner of truth
Replaces "arbiter" with "determiner" and "fact" with "truth", emphasizing the outcome of determining truth.
assessor of reality
Replaces "arbiter" with "assessor" and "fact" with "reality", suggesting an evaluation of what is real.
verifier of information
Replaces "arbiter" with "verifier" and "fact" with "information", highlighting the verification aspect.
final authority on the matter
Indicates the ultimate source for deciding on factual accuracy.
objective evaluator of data
Specifies an unbiased assessment of data to determine facts.
impartial reviewer of evidence
Focuses on the impartiality and review of evidence in determining facts.
truth-finding body
Implies a group or organization tasked with discovering the truth.
fact-checker
A more concise term for someone who verifies facts.
independent source of verification
Highlights independence and verification as key aspects.
FAQs
How can I use "arbiter of fact" in a sentence?
You can use "arbiter of fact" to describe an individual or entity responsible for determining the truth in a particular situation. For example: "The judge served as the "arbiter of fact" in the trial."
What's a good alternative to "arbiter of fact"?
Alternatives include "judge of the facts", "determiner of truth", or "fact-checker", depending on the specific nuance you want to convey.
Is "arbiter of fact" the same as "arbiter of truth"?
While similar, "arbiter of fact" specifically refers to determining factual accuracy, whereas "arbiter of truth" can have broader implications, encompassing moral or philosophical truths as well.
Who typically serves as an "arbiter of fact" in legal settings?
In legal settings, the "trier of fact"—usually a judge or jury—serves as the "arbiter of fact", responsible for evaluating evidence and determining what actually happened.
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
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested