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
upon testimony
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "upon testimony" is correct and usable in written English.
It can be used in legal or formal contexts to indicate that something is based on or supported by testimony or evidence provided by a witness. Example: "The verdict was reached upon testimony from several credible witnesses who corroborated the events of that night."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(20)
is equivalent to
in the wishes of
rapidly thereafter
for the immediate future
Very soon
somewhere later
one week before
at the early time
in the next weeks
during the previous years
it is important to remember
not yet completed
to avoid disruption
in accordance with direction from
a couple of books before
if not soon
in two days
as excellent as
in a flash
as instructed by the directive
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
4 human-written examples
And finally, he said, plaintiffs in a lawsuit would have to rely upon testimony of children whose dubious behavior and backgrounds would easily call their credibility into question.
News & Media
Snell called upon testimony from Los Angeles mayor Tom Bradley, which he gave in absentia but in unambiguous terms, describing GM as having, through its subsidiaries, "scrapped the Pacific Electric and Los Angeles streetcar systems, leaving the electric train system totally destroyed".
News & Media
Option (ii), however, must be wrong, for it cannot be a condition upon testimony that the hearer already knows that what was said is true.
Science
Factual truth, she writes, "is always related to other people: it concerns events and circumstances in which many are involved; it is established by witnesses and depends upon testimony … It is political by nature".
Science
Human-verified similar examples from authoritative sources
Similar Expressions
53 human-written examples
He drew upon eyewitness testimony and was critical of reported miracles.
Encyclopedias
Worse, most inquiries depend almost exclusively upon the testimony of abuse survivors.
News & Media
"You cannot convict this man," Mr. Martin told the jury, "based upon the testimony you heard on the witness stand".
News & Media
Darling!" Whether it draws upon trial testimony or the author's imagination, the book memorably points out that Lorraine had never heard her disagreeable father called "darling" before.
News & Media
Lawyers for El Paso seized upon the testimony as evidence of sloppy research and said it signaled how weak the case was because El Paso's accusers could not pinpoint how much blame should rest with the company.
News & Media
At once admirable and deeply unsettling, this film draws upon the testimony of little more than a handful of the all-but-vanished ranks of survivors to relate the horror of the Nazi purge of homosexuals from the life of Germany and the aftereffects that scar and roil these men as the 21st century begins.
News & Media
Such a climate is made up of two things: first, society, professionals and individuals recognising and acknowledging that abuse is likely or has occurred; second, all of those people, and society as a whole, being willing to hear, believe and act upon the testimony of abuse victims and survivors.
News & Media
Expert writing Tips
Best practice
In formal or legal writing, "upon testimony" can add a layer of formality. However, consider using "based on testimony" for clarity and modern style.
Common error
While grammatically sound, overuse of "upon" can make your writing sound archaic. Ensure "upon" adds value and isn't simply a stylistic choice when "on" would suffice.
Source & Trust
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "upon testimony" functions primarily as a prepositional phrase modifying a verb or noun. It indicates the basis or foundation for a claim, decision, or belief, as supported by Ludwig's analysis of real-world examples.
Frequent in
News & Media
40%
Science
30%
Encyclopedias
30%
Less common in
Wiki
0%
Reference
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "upon testimony" is a grammatically correct phrase, although less common in contemporary English. According to Ludwig, it typically functions as a prepositional phrase indicating reliance on witness statements. The analysis of real-world examples suggests its primary use in formal contexts such as news reports and academic papers, lending credibility to factual claims. While acceptable, consider alternatives like "based on testimony" for improved clarity in modern writing. It's deemed a correct and usable phrase, but its infrequent usage suggests being mindful of context and audience to ensure clear communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
based on testimony
Direct replacement with a more common preposition.
relying on testimony
Focuses on the act of relying, emphasizing dependence.
dependent on testimony
Highlights the condition of being reliant on testimony.
predicated on testimony
Implies a logical foundation built upon the testimony.
contingent on testimony
Emphasizes that something is subject to the truthfulness of the testimony.
grounded in testimony
Suggests a strong and stable foundation of testimony.
supported by testimony
Highlights the corroborative role of the testimony.
founded on testimony
Indicates that the basis is the testimony provided.
drawing from testimony
Emphasizes the act of extracting information from the testimony.
according to the testimony
Attribution of information to the specific testimony.
FAQs
How can I use "upon testimony" in a sentence?
You can use "upon testimony" to indicate that a conclusion, judgment, or belief is based on the statements given by witnesses. For example, "The court reached its decision "based on testimony" from multiple sources".
What are some alternatives to the phrase "upon testimony"?
Some alternatives to "upon testimony" include "based on testimony", "relying on testimony", and "according to testimony". The choice depends on the specific nuance you want to convey.
Is "upon testimony" considered formal language?
Yes, "upon testimony" is generally considered more formal than alternatives like "based on testimony" or "from the testimony". It's appropriate for legal documents and formal reports.
Which is more common: "upon testimony" or "based on testimony"?
"Based on testimony" is more commonly used in contemporary English than "upon testimony". While both are grammatically correct, the former is often preferred for its simplicity and directness.
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
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested