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
have asserted
Grammar usage guide and real-world examplesUSAGE SUMMARY
"have asserted" is correct and usable in written English. You can use it to indicate that someone has stated something confidently or forcefully in the past, with relevance to the present. Example: "The researchers have asserted that their findings are conclusive." Alternative expressions include "have claimed" and "have stated."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(20)
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
He should have, asserted Cleitophon.
News & Media
Britain and France have asserted that such evidence exists.
News & Media
We have asserted some kind of responsibility.
News & Media
We have asserted no such thing.
News & Media
Such universities have asserted that their courses are legitimate.
News & Media
Several family members have asserted this is true.
News & Media
There was no sudden late clustering, as some have asserted.
News & Media
HG Kasabian have asserted that the Brits are "a conspiracy.
News & Media
Trump is only articulating what others have asserted.
News & Media
Several studies have asserted the existence of a strong and complex genetic component.
Science
The Prosecution have asserted that this rank was not purely honorary.
Academia
Expert writing Tips
Best practice
Use "have asserted" when you want to convey a sense of confidence or authority behind a statement, especially when the claim might be debated or challenged.
Common error
Avoid using "have asserted" when a more neutral verb like "have said" or "have stated" would be more appropriate. Overusing "have asserted" can make your writing sound biased or argumentative when neutrality is desired.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "have asserted" functions as a verb phrase, specifically the present perfect tense of the verb "assert". According to Ludwig, this form indicates that an action of declaring something confidently or forcefully has been completed at some point in the past and has relevance to the present.
Frequent in
News & Media
45%
Science
30%
Encyclopedias
10%
Less common in
Formal & Business
5%
Wiki
5%
Academia
5%
Ludwig's WRAP-UP
In summary, "have asserted" is a versatile verb phrase used to indicate a confident declaration or claim made in the past with present relevance. As noted by Ludwig, it's grammatically sound and frequently employed across diverse contexts, particularly in news, scientific, and academic domains. While its use is generally correct, be mindful of avoiding overuse in contexts where a more neutral term would be suitable. Remember to use "have asserted" when you aim to emphasize the conviction behind a statement, especially when it may be debated or questioned.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
have stated
Indicates a straightforward and neutral expression of a fact or opinion.
have maintained
Emphasizes a consistent and continued affirmation of a statement over time.
have affirmed
Stresses a strong and confident confirmation of something as true.
have claimed
Implies a declaration of something as a fact, often without providing definitive proof.
have contended
Suggests an argument or debate where a particular point is being asserted.
have declared
Suggests a formal and often public announcement of a belief or fact.
have avowed
Implies a formal and open declaration or acknowledgment.
have professed
Indicates a public declaration of belief or feeling, which may or may not be genuine.
have alleged
Signals that a statement is made without conclusive proof and may be under investigation.
have testified
Refers to a formal statement made under oath, typically in a legal setting.
FAQs
How do I use "have asserted" in a sentence?
Use "have asserted" to indicate that someone has confidently stated something as a fact, especially when there may be disagreement or doubt. For example: "The scientists "have asserted" that the data confirms their hypothesis."
What can I say instead of "have asserted"?
You can use alternatives like "have stated", "have claimed", or "have maintained" depending on the specific nuance you want to convey.
What is the difference between "have asserted" and "have claimed"?
"Have asserted" implies a confident declaration, while "have claimed" often suggests that the statement is made without conclusive proof. Have asserted" carries a stronger sense of conviction.
When is it appropriate to use "have asserted" in formal writing?
It is appropriate to use ""have asserted"" in formal writing when you want to highlight the confident and potentially debatable nature of a statement. It's particularly useful when discussing arguments, opinions, or contested facts.
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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