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
upon occasion
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "upon occasion" is correct and usable in written English.
It can be used to indicate that something happens occasionally or from time to time. Example: "Upon occasion, I like to take long walks in the park to clear my mind."
✓ Grammatically correct
News & Media
Academia
Encyclopedias
Science
Wiki
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
42 human-written examples
Upon occasion he used cartoons to correct abuses.
News & Media
And, upon occasion, I will concede, I went too far.
News & Media
She concludes with the slightly prim observation that "like most great artists, Brandt, upon occasion, needed an editor".
News & Media
Upon occasion his relish for dramatic action led him beyond the limits of his proper role as the guarantor of public order.
Encyclopedias
A smaller work of great beauty and subtlety, entitled A Letter to a Friend, Upon occasion of the Death of his Intimate Friend, was published posthumously in 1690.
Encyclopedias
Perhaps most memorably and effectively, throughout his novel Mr. Galgut frequently shifts back and forth from third person to first, and even upon occasion to second.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
18 human-written examples
Both rely on the fact that the unquoted occurrence of φ is an occurrence of an interpreted sentence, which has a truth value, but also provides its truth conditions upon occasions of use.
Science
During the greater portion of the night the whole company assembled upon the occasion chews betel, drinks cocoa-wine, and discusses upon all other subjects but marriage.
Academia
The People generally ill treated, and contrary to right, will be ready upon any occasion to ease themselves of a burden that sits heavy upon them.
Academia
"Beloved mother!" she wrote, upon the occasion of Pamela's suicide.
News & Media
An Exhibition upon the Occasion of the Inauguration of the Firestone Memorial Library.
Academia
Expert writing Tips
Best practice
Use "upon occasion" to add a touch of formality to your writing when you want to indicate something happens sometimes. This phrase can elevate your tone, making it suitable for formal contexts like academic papers or professional reports.
Common error
Avoid using "upon occasion" in casual conversation or informal writing. Opt for simpler alternatives like "sometimes" or "occasionally" to maintain a natural and approachable tone.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "upon occasion" functions as an adverbial phrase, modifying a verb or clause to indicate frequency. As Ludwig AI explains, it signifies that something happens sometimes or intermittently. This contrasts with actions that are constant or habitual.
Frequent in
News & Media
43%
Academia
21%
Wiki
10%
Less common in
Encyclopedias
8%
Science
8%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, "upon occasion" is a grammatically sound adverbial phrase commonly used to express that something happens sometimes. According to Ludwig AI, the phrase is correct and usable in written English. Predominantly found in news, academic writing, and encyclopedias, it adds a touch of formality suitable for elevated styles. While alternatives like "occasionally" or "sometimes" exist, "upon occasion" provides a distinct flavor, as shown by the many examples found by Ludwig. When aiming for a more sophisticated tone, "upon occasion" serves as a reliable choice.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
on occasion
Similar meaning. The preposition differs.
occasionally
Single word alternative. Emphasizes infrequency.
sometimes
A very general term for things that happen at times.
from time to time
Highlights the periodic nature of the events.
at times
Implies that something happens periodically.
every so often
Indicates irregular intervals.
once in a while
Suggests a less frequent occurrence.
now and then
Indicates that something happens irregularly.
at intervals
Highlights the breaks between occurrences.
periodically
Focuses on the recurrence at set times.
FAQs
How can I use "upon occasion" in a sentence?
You can use "upon occasion" to indicate that something happens sometimes or intermittently. For example: "Upon occasion, I enjoy reading classic literature."
What phrases are similar to "upon occasion"?
Alternatives to "upon occasion" include "occasionally", "sometimes", and "from time to time".
Is it better to use "upon occasion" or "on occasion"?
"Upon occasion" and "on occasion" are very similar in meaning and usage. The choice often comes down to personal preference, although "upon occasion" may be perceived as slightly more formal.
When is it inappropriate to use "upon occasion"?
It might be inappropriate to use "upon occasion" in very informal settings where a more casual phrase like "sometimes" would be more suitable.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested