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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
assurance by
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "assurance by" is correct and usable in written English.
It can be used when indicating that something is guaranteed or confirmed by a specific person or entity. Example: "We received assurance by the manager that the project will be completed on time."
✓ Grammatically correct
News & Media
Science
Formal & Business
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
58 human-written examples
We were given assurance by the Syrian government.
News & Media
"But using nuclear against them would unless they violated their assurance by acquiring nuclear weapons".
News & Media
This necessitates approval through multiple channels, such as e-mail, text and verbal assurance by phone.
News & Media
The fine Vienna Chamber Orchestra is in the pit, led with assurance by Claire Levacher.
News & Media
Whatever the role's origins, it is played with breathtaking assurance by Nikki Patel in her stage debut.
News & Media
Both acts of "Everett," which has been staged with wavering assurance by Evan Yionoulis, are centered on two sisters.
News & Media
Especially touching is the story of Greta (played with wonderful assurance by Laura Day), who consoles Gregor with music and affection before she, too, gives way to hatred.
News & Media
Preparations have been going on for more than two years after an assurance by President Giscard that France approved his every wish.
News & Media
Iphigenia, played with piping assurance by Clara Read, is tiny: her little legs innocently kick as she drinks her fatal dose.
News & Media
The call spurred spirited debate on his site, including an assurance by one correspondent that Pixar Animation Studios was becoming a more female-friendly place.
News & Media
This resolution followed an assurance by state Chief Minister J. Jayalalithaa to local residents, who called off their fast after 12 days.
News & Media
Expert writing Tips
Best practice
When using "assurance by", ensure the context clearly identifies the source providing the assurance to avoid ambiguity.
Common error
Avoid using "assurance by" when the source of the assurance is unclear or undefined. Always explicitly state who or what is providing the guarantee or confirmation.
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "assurance by" functions as a prepositional phrase that modifies a noun, indicating the source or provider of the assurance. Ludwig's examples demonstrate its use in specifying who is giving the guarantee or confirmation.
Frequent in
News & Media
40%
Science
30%
Formal & Business
15%
Less common in
Encyclopedias
5%
Academia
5%
Reference
5%
Ludwig's WRAP-UP
In summary, the phrase "assurance by" is a grammatically correct and frequently used prepositional phrase that specifies the source of a guarantee or confirmation. As Ludwig AI confirms, it is widely employed across various contexts, including news, science, and formal business communication. While alternatives like "guaranteed by" and "confirmed by" exist, "assurance by" is particularly useful when clearly attributing a promise or pledge to a specific entity. When writing, remember to explicitly state the source to avoid ambiguity.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
guaranteed by
This alternative highlights the aspect of a guarantee being provided by someone.
confirmed by
This alternative emphasizes the act of confirmation or validation by an entity.
underwritten by
This alternative suggests a more formal or official type of guarantee or support.
supported by
This alternative focuses on the idea of backing or endorsement by someone.
certified by
This alternative is specific to formal certification processes.
validated by
Similar to "confirmed by", this term emphasizes verification.
endorsed by
This suggests a public declaration of support.
backed by
Implies strong support, often financial or political.
ratified by
Suggests a formal approval process.
verified by
Similar to "validated by", but possibly less formal.
FAQs
How can I use "assurance by" in a sentence?
Use "assurance by" to indicate that a guarantee, promise, or confirmation comes from a specific entity. For example: "We were given "assurance by the government" that the issue would be resolved."
What can I say instead of "assurance by"?
You can use alternatives like "guaranteed by", "confirmed by", or "underwritten by" depending on the context.
Is it correct to say "assurance from" instead of "assurance by"?
While "assurance from" can sometimes be used, "assurance by" is generally preferred when specifying the entity providing the assurance. "Assurance from" is more general, whereas "assurance by" implies a direct provision of assurance from a source.
What's the difference between "guarantee by" and "assurance by"?
"Guarantee by" implies a more formal pledge, often with legal or financial implications, whereas "assurance by" suggests a broader sense of promise or confirmation. Both indicate the source of the guarantee or assurance.
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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
4.6/5
Expert rating
Real-world application tested