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CEO of Professional Science Editing for Scientists @ prosciediting.com

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assurance by

Grammar usage guide and real-world examples

USAGE 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

Human-verified examples from authoritative sources

Exact Expressions

58 human-written examples

We were given assurance by the Syrian government.

News & Media

The Guardian

"But using nuclear against them would unless they violated their assurance by acquiring nuclear weapons".

News & Media

The New York Times

This necessitates approval through multiple channels, such as e-mail, text and verbal assurance by phone.

News & Media

The New York Times

The fine Vienna Chamber Orchestra is in the pit, led with assurance by Claire Levacher.

News & Media

The New York Times

Whatever the role's origins, it is played with breathtaking assurance by Nikki Patel in her stage debut.

News & Media

The Guardian

Both acts of "Everett," which has been staged with wavering assurance by Evan Yionoulis, are centered on two sisters.

News & Media

The New York Times

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

The Guardian

Preparations have been going on for more than two years after an assurance by President Giscard that France approved his every wish.

News & Media

The Guardian

Iphigenia, played with piping assurance by Clara Read, is tiny: her little legs innocently kick as she drinks her fatal dose.

News & Media

The Guardian

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

The New York Times

This resolution followed an assurance by state Chief Minister J. Jayalalithaa to local residents, who called off their fast after 12 days.

News & Media

The New York Times
Show more...

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.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

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.

Expression frequency: Very common

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.

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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Source & Trust

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Authority and reliability

4.6/5

Expert rating

Real-world application tested

Most frequent sentences: