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
was confirmed by
Grammar usage guide and real-world examplesUSAGE SUMMARY
'was confirmed by' is a perfectly grammatical and usable phrase in written English.
You can use it when talking about something that is supported, proven, or verified. For example: "His identity as the murderer was confirmed by his own confession."
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
was verified by
was validated by
was substantiated by
was corroborated by
was proven by
was supported by
evidence indicates
findings suggest
research demonstrates
data implies
was informed by
was reaffirmed by
was determined by
was demonstrated by
was ascertained by
was reinforced by
was determination by
was authenticated by
was endorsed by
withstood examination by
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
60 human-written examples
That was confirmed by Ecclestone.
News & Media
His death was confirmed by NASA.
News & Media
His death was confirmed by his office.
News & Media
His death was confirmed by his family.
News & Media
Mr. Gandolfini's death was confirmed by HBO.
News & Media
Her death was confirmed by the university.
News & Media
This was confirmed by mail.
News & Media
The goal was confirmed by video review.
News & Media
This agreement was confirmed by two meetings.
News & Media
This was confirmed by the PPO investigators.
News & Media
Neither case was confirmed by laboratory testing.
News & Media
Expert writing Tips
Best practice
Use "was confirmed by" to build trust and credibility in your writing by highlighting the validation of your claims.
Common error
Avoid overuse of the passive voice (e.g., "was confirmed by") which can make your writing sound less direct and engaging. Consider active voice constructions where appropriate to improve clarity and impact.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "was confirmed by" functions as a passive voice construction, indicating that a piece of information or a statement has been verified or validated by a specific source. As Ludwig AI indicates, this phrase is common and grammatically sound.
Frequent in
Science
43%
News & Media
40%
Formal & Business
6%
Less common in
Wiki
2%
Academia
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, "was confirmed by" is a grammatically correct and frequently used phrase to indicate that information has been verified by a source. As Ludwig AI highlights, it is common in both news and scientific contexts, lending credibility and authority to the statement. While it is a passive construction, it's useful for emphasizing the validation of information. Consider using active voice for directness when appropriate. When using this phrase, ensure the source of confirmation is credible and relevant to the information being presented to maintain the integrity of your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
was verified by
Emphasizes that something was checked and found to be true, implying a more direct form of validation.
was validated by
Highlights the process of establishing the truth or accuracy of something through formal methods or criteria.
was substantiated by
Indicates that something was supported or proven with evidence, often in a more formal or legal context.
was corroborated by
Suggests that something was supported by additional sources or evidence, enhancing its credibility.
was proven by
Asserts that something was demonstrated to be true through conclusive evidence or argument.
was supported by
Indicates that something received backing or affirmation from evidence or sources.
evidence indicates
Focuses on the evidence itself, rather than the act of confirmation, to suggest a particular conclusion.
findings suggest
Highlights that the results of an investigation or study point towards a specific conclusion.
research demonstrates
Emphasizes that a particular study or investigation has clearly shown or proven something.
data implies
Indicates that the available data suggests a particular conclusion, without explicitly stating it as confirmed.
FAQs
How can I use "was confirmed by" in a sentence?
Use "was confirmed by" to indicate that something has been verified or validated by a specific source. For example, "The study's findings were confirmed by additional research."
What are some alternatives to "was confirmed by"?
Depending on the context, you can use alternatives like "was verified by", "was validated by", or "was substantiated by".
Is it better to use active or passive voice when saying something "was confirmed by" a source?
While "was confirmed by" (passive voice) is grammatically correct, using active voice can sometimes make your writing more direct and engaging. For example, instead of "The results were confirmed by the study", you could say "The study confirmed the results."
What does it mean when something "was confirmed by" an expert?
When something "was confirmed by" an expert, it means that a knowledgeable and authoritative figure in a particular field has verified or validated the information, lending credibility to the statement.
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested