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
in reliance upon
Grammar usage guide and real-world examplesUSAGE SUMMARY
"in reliance upon" is correct and usable in written English.
You can use it in the context of expressing trust in something, such as a source of information, a promise or an opinion. For example, "The lawyer presented his argument in reliance upon the facts of the case."
✓ Grammatically correct
Academia
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
35 human-written examples
All parties assumed the validity of the arrangement and acted in reliance upon it.
Academia
Had the donee beneficiary acted to her detriment in reliance upon a promise contained in the agreement, this would be a very different case.
Academia
The contempt and the fraud did not cease to operate so long as the money was being disbursed in reliance upon it, and by virtue of its concealment.
Academia
Was there such an act on the part of plaintiff, in reliance upon the promise contained in the resolution, as will estop the defendant, and therefore create an enforceable contract under the doctrine of promissory estoppel?
Academia
The plaintiff, the vendee under a contract for the sale of land, had paid an electrician and an architect whom he had employed in reliance upon the promised conveyance.
Academia
While the Griffin leases and others located in the Moose Range have been developed in reliance upon the Secretary's interpretation, respondents do not claim to have relied to their detriment upon a contrary construction.
Academia
Human-verified similar examples from authoritative sources
Similar Expressions
25 human-written examples
It would be, in my opinion, be a good thing to see a reduction in the reliance upon private contractors involved in the implementation of that foreign policy, however.
News & Media
It said that to stop the counting violated the "pre-eminent" right to vote found in the state's constitution and that Harris was engaged in "hypertechnical reliance upon statutory provisions".+ The Florida court's action doesn't seem strange on its face.
News & Media
And the purpose of the specific provision of AEDPA at issue here is also not obscure: It was designed, in intelligent reliance upon a holding of this Court, to end §2255 litigation in the district court unless a court of appeals judge or the circuit justice finds reasonable basis to appeal.
Academia
Hundreds of thousands of absentee voters have already cast their votes in similar reliance upon the election going forward on the timetable announced by the state.
News & Media
While circumstances may vary, the ultimate goal of these uprisings will be to terminate the reign of fossil fuels while emphasizing investment in and reliance upon renewable forms of energy.
News & Media
Expert writing Tips
Best practice
When using "in reliance upon", ensure that the subject genuinely depends on the object for a specific action or decision. Avoid using it merely as a stylistic flourish.
Common error
Avoid using "in reliance upon" when the dependence is weak or unclear. For example, saying "The project was completed in reliance upon hard work" is less effective than specifying what aspect of the project directly depended on the hard work.
Source & Trust
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "in reliance upon" functions as a prepositional phrase, modifying a verb or noun to indicate the basis or justification for an action or belief. Ludwig's examples show it expressing dependence on a document, promise, or interpretation.
Frequent in
Academia
50%
News & Media
23%
Science
19%
Less common in
Encyclopedias
4%
Formal & Business
4%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "in reliance upon" is a common and grammatically correct prepositional phrase used to express dependence or trust in something. As highlighted by Ludwig, it's most frequently found in academic, legal, and business contexts. Alternatives include "depending on" and "based on", but "in reliance upon" carries a stronger connotation of trust. When using this phrase, it is important to ensure that the dependence is clear and justifiable. Ludwig AI confirms the phrase's validity and usability, solidifying its role in formal writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
relying on
A more active verb form expressing the same idea of dependence.
based on
Indicates a foundation or reason, less emphatic than direct reliance.
trusting in
Emphasizes the aspect of faith or belief in something.
depending on
Focuses on conditionality based on something else, differing slightly from direct reliance.
predicated on
Highlights the foundational aspect, where something is established or based.
according to
Attributes information to a source, implying trust in that source.
contingent upon
Implies that something is dependent on another event or condition.
in accordance with
Suggests adherence to a rule or guideline, which can imply reliance.
using as a basis
Focuses on the act of employing something as a starting point or foundation.
with reference to
Indicates that something is being considered or related to a particular source or authority.
FAQs
How can I use "in reliance upon" in a sentence?
Use "in reliance upon" to indicate that an action or decision is based on trust or dependence on something. For example, "The company made the investment decision "in reliance upon" the market research report."
What are some alternatives to "in reliance upon"?
You can use alternatives like "depending on", "based on", or "relying on" depending on the specific nuance you want to convey.
Is "in reliance upon" formal or informal?
"In reliance upon" is generally considered a formal phrase and is more appropriate for academic, legal, or business contexts.
What's the difference between "based on" and "in reliance upon"?
"Based on" indicates a foundation or reason, while ""in reliance upon"" suggests a stronger dependence and trust. You rely upon something when you trust it will be accurate or effective.
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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
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested