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
to assure
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "to assure" is correct and usable in written English.
It can be used when you want to express the act of making someone feel certain or confident about something. Example: "I want to assure you that we are doing everything possible to resolve the issue."
✓ Grammatically correct
News & Media
Science
Formal & Business
Wiki
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
Rotate the dough to assure even browning.
News & Media
To assure continuity.
News & Media
This was enough to assure his legend.
News & Media
It's not high enough to assure his reëlection or low enough to assure his defeat.
News & Media
Justices have life tenure to assure their independence and impartiality.
News & Media
(I have to assure you, this is false).
News & Media
MasterCard said it was working to assure customers' privacy.
News & Media
Tells about their undercover operations to assure their goal.
News & Media
They met periodically with nutritionists to assure compliance.
News & Media
It makes sense for America to assure Israel's security.
News & Media
Those figures are measured in dollars to assure international comparability.
News & Media
Expert writing Tips
Best practice
When using "to assure", clearly state what you are guaranteeing or making certain. Provide specific details to enhance credibility and avoid ambiguity.
Common error
Avoid using "to assure" when you only intend to express hope or expectation, but lack the means to guarantee an outcome. Use phrases like "to hope" or "to expect" instead if certainty is not possible.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "to assure" functions as an infinitive form of the verb "assure", often used to introduce a clause expressing the purpose of guaranteeing or making certain of something. As Ludwig AI suggests, it conveys certainty or confidence.
Frequent in
Science
33%
News & Media
31%
Formal & Business
6%
Less common in
Wiki
6%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "to assure" is a versatile and grammatically sound phrase used to express the intent of guaranteeing or providing confidence in a statement or action. Ludwig AI confirms its correctness and usability in a wide array of contexts, from science and news to formal business communications. With a very common frequency of occurrence and backed by authoritative sources like The New York Times and The New Yorker, "to assure" serves as a reliable means to convey certainty and reliability, although it's crucial to use it when you have actual means to guarantee the specified outcome, as alternatives such as "to ensure" or "to guarantee" may carry slightly different connotations. Remember to use it with precision and context-awareness to maximize clarity and impact.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
to guarantee
Focuses specifically on providing a formal guarantee or promise.
to ensure
Highlights the action of making something certain to happen.
to make certain
Emphasizes the effort to eliminate doubt or uncertainty.
to make sure
A more informal way of saying to guarantee a specific result.
to ascertain
Stresses the process of finding something out for certain; to confirm.
to verify
Implies checking or confirming the truth or accuracy of something.
to confirm
Suggests reinforcing or establishing something with certainty.
to reassure
Specifically focuses on restoring someone's confidence.
to promise
Highlights making a declaration assuring that one will do something.
to certify
Implies official endorsement, confirming its validity.
FAQs
How can I use "to assure" in a sentence?
You can use "to assure" to express the act of making someone confident about something, such as, "I want "to assure" you that we are doing everything possible to fix this."
What are some alternatives to "to assure"?
Depending on the context, you can use alternatives like "to guarantee", "to ensure", or "to reassure".
What's the difference between "to assure" and "to ensure"?
Is it correct to use "to assure" in formal writing?
Yes, ""to assure"" is perfectly acceptable in formal writing. It's commonly used in business, legal, and academic contexts to convey certainty or guarantee.
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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