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
substantiate that claim
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "substantiate that claim" is correct and usable in written English.
You can use it when you are asking someone to provide evidence or support for a statement they have made. Example: "In order to strengthen your argument, you need to substantiate that claim with credible sources."
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
show me that
demonstrate that
prove that
show that
establish that
suggest that
confirm that
verify that
substantiate that
validate that
illustrate that
evidence that
attest that
attest to the possibility that
speaks to the fact that
display that
lay that
attesting to the fact that
testifies to the fact that
seal that argument
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
11 human-written examples
The subcommittee later said that it had not found any evidence to substantiate that claim.
News & Media
To substantiate that claim, the Daily Mail's reporter quotes, er, another newspaper.
News & Media
Dr. Radelet said he found that Mr. Churchill could not substantiate that claim.
News & Media
Mr Kay reportedly said he found no evidence to substantiate that claim.
News & Media
Before his 7-6 loss yesterday, certainly, they or anyone else would have been hard pressed to substantiate that claim.
News & Media
The investigation did not substantiate that claim, according to the report, "but concerns about potential irregularities" prompted the audit.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
49 human-written examples
There is no research that substantiates the claim that opioid drugs administered appropriately and carefully titrated are likely to depress respiration.
Science
It should be obvious that when the United States has threatened war against a country, it treads in the precincts of racist war propaganda for a news article about that country to essentially say, "Because of their religion, their leaders aren't like our leaders -- they lie," without substantiating that claim at all or presenting balanced views of experts on the topic.
News & Media
Recently, Powell et al provided in vivo evidence substantiating that claim by demonstrating that Lrig1 loss in mice leads to spontaneously arising, highly penetrant intestinal adenomas.
Science
Fifty-seven formE.P.A..attorneyseys wrote a letter of protest, saying that Pruitt had provided "no evidence to substantiate" the claim that ending sue-and-settle would save money.
News & Media
In light of these findings, we hope that the reviewers agree that the results of the proposed gain-of-function experiment would not affect our conclusions, and that this experiment is therefore not essential to substantiate the claim that GATs are necessary for sustaining GABAergic transmission in midbrain dopamine neurons.
Science
Expert writing Tips
Best practice
When using "substantiate that claim", ensure you provide specific and credible evidence to support the assertion. Avoid relying on vague or anecdotal information.
Common error
Avoid using phrases like "I believe" or "in my opinion" before or after using "substantiate that claim". Let the evidence speak for itself, rather than framing it as a personal viewpoint.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "substantiate that claim" functions as a call for evidence or proof. It's typically used to challenge the validity of a statement and request supporting data. Ludwig AI confirms its usability in written English.
Frequent in
News & Media
50%
Science
33%
Wiki
17%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "substantiate that claim" is a grammatically correct and usable phrase that functions as a request for evidence to support an assertion. As indicated by Ludwig AI, the phrase is well-regarded in written English. It's commonly found in news and media and scientific contexts, reflecting its use in situations where accuracy and evidence are paramount. When using the phrase, it's crucial to ensure that the evidence provided is credible and specific, avoiding reliance on personal opinions or vague statements. As evidenced by Ludwig's examples, many authoritative sources like The New York Times or The Guardian employ the expression, confirming its correct usage.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
prove that assertion
Replaces "substantiate" with "prove", indicating a stronger demonstration of truth.
verify that statement
Uses "verify" to suggest confirming the accuracy of the statement.
validate that argument
Focuses on confirming the soundness of an argument.
support that allegation
Emphasizes providing backing for an accusation.
confirm that hypothesis
Specifically refers to validating a scientific hypothesis.
corroborate that account
Highlights providing independent evidence to support an account.
authenticate that version
Suggests proving the genuineness of a particular version of events.
justify that position
Implies providing reasons or evidence to defend a stance.
document that incident
Focuses on providing a written record to support the occurrence of an event.
validate that finding
Implies providing grounds to accept if a research finding is correct.
FAQs
How can I use "substantiate that claim" in a sentence?
You can use "substantiate that claim" to challenge someone to provide evidence for their statement. For example, "Before we can accept your proposal, you need to substantiate that claim with data."
What is a good alternative to "substantiate that claim"?
Alternatives to "substantiate that claim" include "prove that assertion", "verify that statement", or "validate that argument".
What does it mean to "substantiate that claim"?
To "substantiate that claim" means to provide evidence or support to prove the truth or validity of a statement or assertion.
Is it better to "substantiate that claim" or "support that claim"?
"Substantiate that claim" emphasizes providing concrete evidence, while "support that claim" is broader and can include opinions or less definitive evidence. The best choice depends on the context and the strength of the available evidence.
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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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested