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
let us invoke
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "let us invoke" is correct and usable in written English.
It can be used when you want to call upon or appeal to something, often in a formal or literary context. Example: "In this discussion, let us invoke the principles of justice and equality that guide our actions."
✓ Grammatically correct
News & Media
Science
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
4 human-written examples
Let us invoke the maternal intercession of Mary, Mother of God and of the Church, that she might accompany each of us and the whole ecclesial community: to her we entrust ourselves, with deep trust.
News & Media
Now let us invoke the Auslander Reiten formula: Ext 1 ( Y, K ) ≃ D Hom ̲ ( τ - K, Y ).
To find a necessary and sufficient conditions for this type of controllability, let us invoke a Theorem 4.1 of [64]: Theorem 47 Consider the Lie algebra s Σ generated by the traceless d × d skew-Hermitian matrices i B 1, …, i B ℓ and let P ( d, n ) denote the set of all projections acting on C d whose rank n lies between 1 and d − 1.
Science
Let us invoke Bhumi Seva and the legacies of Swami Vivekananda, Mahatma Gandhi and Dr. Martin Luther King Jr.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
Indeed, let us all be vigilant against fear mongers who invoke phantom terrorists everywhere we look and nuclear bombs around every corner.
News & Media
Since it invokes voices in the head, let us call this, uncharitably, the crazy explanation.
News & Media
Let us exercise caution in the words we use so that they may not inadvertently invoke the ethnic bias of an earlier time.
News & Media
Invoking Kennedy's famous injunction, "Let us begin," Johnson said, "Let us continue".
News & Media
"Let us be merry, rich, light, earnest, courteous, virtuous and well mannered," Walser exhorts, as if invoking a scout's oath for the well-rounded metropolitan.
News & Media
"Let us go, let us go together".
News & Media
"China let us down".
News & Media
Expert writing Tips
Best practice
When using "let us invoke", ensure the subject you are invoking is appropriate for the context. It often implies a degree of formality and respect, so it's best suited for principles, authorities, or abstract concepts rather than everyday objects or actions.
Common error
Avoid using "let us invoke" in casual conversations or informal writing. The phrase's formality can sound stilted or pretentious if used inappropriately. Opt for simpler alternatives like "let's use" or "let's consider" in less formal settings.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "let us invoke" serves as an introductory expression to formally introduce a concept, principle, or authority that will be used to support an argument or action. It is an expression of volition and purpose. According to Ludwig, it is correct and usable in written English.
Frequent in
News & Media
50%
Science
50%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "let us invoke" is a grammatically sound phrase used to formally call upon or appeal to a principle, authority, or shared understanding. It's most common in news and media, and scientific contexts, and less suitable for informal communication. Ludwig confirms its correctness and usability. When considering its usage, remember to ensure the formality of the context matches the tone of the phrase and consider alternatives like "let us appeal to" or "let us call upon" for slightly less formal situations.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
let us appeal to
This alternative replaces "invoke" with a more direct and common verb, making it slightly less formal.
let us call upon
Similar to "let us appeal to", this option uses a phrasal verb for a slightly more conversational tone.
let us solicit
This alternative is slightly more formal and suggests actively seeking something.
we should invoke
This version replaces "let us" with "we should", creating a less direct and more suggestive tone.
we ought to invoke
Using "ought to" instead of "let us" creates a stronger sense of obligation or advisability.
it is necessary to invoke
This alternative emphasizes the necessity of the action, making it more formal and impersonal.
let's make use of
This is less about calling upon an authority and more about using a resource. Semantic change is quite important.
let us employ
Swaps "invoke" for "employ" which focus on using certain resources or strategies.
allow us to summon
This version changes structure of the phrase as well as the semantic meaning to request the capability of summoning something.
permit us to activate
Again, similar to "allow us to summon", the meaning is more specific about the activation of something.
FAQs
How can I use "let us invoke" in a sentence?
Use "let us invoke" when you want to formally call upon or appeal to something, such as a principle, law, or authority. For example, "Let us invoke the principles of justice in this matter."
What are some alternatives to "let us invoke"?
Some alternatives include "let us call upon", "let us appeal to", or "let us solicit", depending on the specific nuance you want to convey.
Is "let us invoke" appropriate for informal writing?
No, "let us invoke" is generally too formal for casual conversation or informal writing. In such contexts, simpler phrases like "let's use" or "let's consider" are more suitable.
What's the difference between "let us invoke" and "let us use"?
"Let us invoke" implies a formal appeal or calling upon something abstract like a principle or law. "Let us use", on the other hand, simply suggests employing something for a specific purpose. For example, "Let us invoke the law" versus "Let us use this tool".
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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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested