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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
upon ascertaining
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "upon ascertaining" is correct and usable in written English.
It can be used when indicating that an action or decision will take place after confirming or discovering certain information. Example: "Upon ascertaining the results of the experiment, the team decided to proceed with the next phase of the project."
✓ Grammatically correct
Science
News & Media
Alternative expressions(20)
upon referring
upon inspecting
after finding out
on observing
upon understanding
upon verification
upon confirming
upon evaluating
upon realising
upon seeing
as soon as one sees
upon investigating
having established
observing that
after verification
upon assessing
upon identifying
upon being
upon consultation
upon preparation
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
2 human-written examples
The intention to go shopping on Wednesday, for instance, is not a state that would or should be abandoned upon ascertaining or confirming that one has not (yet) gone shopping on Wednesday; rather a person with such an intention will ordinarily try to bring the world into alignment with the intention, by going shopping when Wednesday comes around.
Science
Three RUC men had earlier been stopped in their unmarked car by the same "soldiers", who let them through upon ascertaining their identity.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
The concept hierarchy and co-occurrence between concepts in the domain ontology are drawn upon to ascertain partial correctness of a solution and guide student reasoning towards a correct solution.
Other similar studies have also been reported [ 3, 4, 21, 22] but all of these relied upon the hospital diagnoses data for ascertaining cases of BDs and were likely to underestimate the true hospital morbidity rate per child.
Science
"We are currently ascertaining their nationalities," he added.
News & Media
'The exercise of ascertaining the facts was a serious one".
News & Media
In many studies of SCZ, genetic analysis has been impeded by phenotypic definition based upon multiple, subjectively ascertained, behavioral parameters that lack reference to biological mechanism [9] [12].
Science
The TIMI risk score was automatically calculated from 8 differentially weighted clinical indicators ascertained upon admission.
Science
Animals were harvested when they displayed overt symptoms of disease, and tumour burden was ascertained upon dissection.
Science
Eligibility, which was based on the absence of pre-existing diabetes and a self-reported waist circumference indicating abdominal obesity, was ascertained upon receipt of the questionnaires.
Science
"Upon arrival, it was ascertained that Morrison had been becoming increasingly belligerent toward his wife during the course of the evening, culminating in his choking her by the neck with both hands," the Darien Police Department said in a statement.
News & Media
Expert writing Tips
Best practice
Use "upon ascertaining" in formal writing when you want to emphasize that an action is contingent on a specific fact being established. For less formal contexts, consider using simpler alternatives such as "after finding out".
Common error
Avoid using "upon ascertaining" in casual conversation or informal writing. Its formality can sound stilted or unnatural in everyday contexts.
Source & Trust
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "upon ascertaining" functions as a prepositional phrase modifying a verb, indicating the condition or timing of an action. Ludwig AI affirms its usability in written English, suggesting its role in setting a conditional stage for subsequent events.
Frequent in
Science
50%
News & Media
50%
Formal & Business
0%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "upon ascertaining" is a formal phrase used to indicate that an action or decision is dependent on the confirmation or discovery of particular information. According to Ludwig AI, the phrase is usable and correct, although its formal tone may make it unsuitable for casual contexts. Ludwig's examples suggest it frequently appears in news reporting and scientific writing. Simpler alternatives such as "after confirming" or "once determined" can be used to reduce formality. Remember to consider the tone of your writing when choosing between "upon ascertaining" and its more common counterparts.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
after determining
Replaces "upon ascertaining" with a more straightforward and common phrase using "after" and "determining".
once it is established
Shifts the focus to the establishment of a fact rather than the act of ascertaining.
following the confirmation of
Formal and emphasizes the act of confirmation.
after verification
Highlights the verification process.
once confirmed
More concise and direct.
on discovering
Focuses on the act of discovery.
having established
Emphasizes the completed establishment of a fact.
with the confirmation of
Highlights the role of confirmation in the process.
after learning
A more informal way to express the gaining of knowledge.
subsequent to finding out
A more verbose alternative focusing on the sequence of events.
FAQs
What does "upon ascertaining" mean?
The phrase "upon ascertaining" means after discovering or confirming something. It indicates that an action or decision follows the establishment of a particular fact.
How to use "upon ascertaining" in a sentence?
You can use "upon ascertaining" to indicate that something will happen after a fact is confirmed. For example: "Upon ascertaining the truth, the investigation was closed."
What can I say instead of "upon ascertaining"?
You can use alternatives like "after confirming", "once determined", or "following confirmation" depending on the context.
Is "upon ascertaining" formal or informal?
"Upon ascertaining" is generally considered a formal phrase. In more casual contexts, simpler alternatives like "after finding out" may be more appropriate.
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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
4.1/5
Expert rating
Real-world application tested