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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 discovering that
Grammar usage guide and real-world examplesUSAGE SUMMARY
This phrasing is correct and usable in written English.
You can use it when introducing a situation or a result that was found out by someone or something. Example: Upon discovering that their house had been broken into, the family was filled with fear.
✓ Grammatically correct
News & Media
Encyclopedias
Science
Alternative expressions(20)
after finding out that
once it was discovered that
on the realization that
having learned that
with the knowledge that
upon observing that
upon recognizing that
upon ascertaining that
upon determining that
upon knowing that
upon screening that
upon research that
upon verifying that
upon realising that
upon discovery that
upon hearing that
upon having that
upon seeing that
upon realizing that
upon finding that
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
And that upon discovering that, we might learn to be proud of ourselves.
News & Media
Upon discovering that she is pregnant, Jasmin tells two different boyfriends that they are the father.
News & Media
Countless women, who delayed child-bearing for whatever reason, have experienced anguish upon discovering that they cannot conceive.
News & Media
Trillin, upon discovering that the test may not have taken place, helped to organize a tasting along similar lines.
News & Media
But United were satisfied with a point, all the more so upon discovering that Forest had only drawn at Arsenal.
News & Media
Upon discovering that audiences loved his Western drawl, he began to ad-lib patter in his previously silent act.
Encyclopedias
This summer, upon discovering that the airline we were flying no longer provided envelopes to house our loose boarding passes, my family decided that we'd had enough.
News & Media
(Or, upon discovering that an American agent has assassinated their leader, a declaration of war – but I suppose Saul knows best).
News & Media
Called to another audition, for Cirque du Soleil's "Michael Jackson: The Immortal" show, Storyboard stormed out upon discovering that, if hired, he was expected to learn official choreography.
News & Media
The one sent by dismayed festival-goers to Cannes last May upon discovering that out of 22 films in competition, none had been directed by a woman.
News & Media
The Whole Foods shopper at some point experiences a pang of surprise upon discovering that the chain started in Texas, rather than in, say, Berkeley or Boston.
News & Media
Expert writing Tips
Best practice
Use "upon discovering that" to introduce a direct consequence or reaction to a new piece of information. For example, "Upon discovering that the flight was delayed, they decided to explore the city."
Common error
While grammatically correct, using "upon discovering that" too frequently can make your writing sound overly formal. Consider using simpler alternatives like "after finding out" or "when they realized" in more casual writing.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "upon discovering that" functions as a prepositional phrase introducing an adverbial clause. It modifies the main clause by providing the temporal context or condition under which the action in the main clause occurs. Ludwig AI indicates this is acceptable in written English.
Frequent in
News & Media
65%
Encyclopedias
15%
Science
10%
Less common in
Formal & Business
5%
Wiki
3%
Reference
2%
Ludwig's WRAP-UP
In summary, "upon discovering that" is a grammatically sound and frequently employed phrase used to introduce a consequence of a discovery. Ludwig AI validates its usage in written English. It carries a neutral to formal tone and is widely present in reputable sources such as The New York Times, The Guardian, and encyclopedic entries. While "upon discovering that" is a good choice, simpler alternatives like "after finding out" might better suit more informal writing contexts.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
after finding out that
Emphasizes the temporal sequence of finding out something and the subsequent action.
once it was discovered that
Highlights the passive nature of the discovery.
on the realization that
Focuses on the realization aspect of the discovery.
having learned that
Implies a process of learning leading to a discovery.
after the revelation that
Suggests a more significant or surprising discovery.
with the knowledge that
Highlights the state of knowing something after the discovery.
once they realised that
Focuses on the moment of realisation, similar to "upon discovering that".
in light of the discovery that
Emphasizes the context or background of the discovery.
as a result of finding out that
Highlights the causal relationship between finding out and the subsequent event.
following the insight that
Emphasizes the insightful nature of the discovery.
FAQs
How can I use "upon discovering that" in a sentence?
Use "upon discovering that" to indicate something learned that immediately precedes a related action or realization. For example, "Upon discovering that all the tickets had sold out, she decided to watch the event from home."
What are some alternatives to "upon discovering that"?
You can use alternatives such as "after finding out that", "once it was discovered that", or "on the realization that" depending on the specific nuance you want to convey.
Is it always necessary to use "that" after "upon discovering"?
While grammatically correct, including "that" after "upon discovering" can improve clarity. Omitting "that" might sound less formal, but it's acceptable. Example: "Upon discovering the error, he corrected it immediately."
What is the difference between "upon discovering that" and "after discovering that"?
"Upon discovering that" implies a more immediate consequence or reaction than "after discovering that". "After discovering that" simply indicates a sequence of events, whereas "upon discovering that" suggests a direct and prompt response to the discovery.
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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
4.5/5
Expert rating
Real-world application tested