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
commence upon
Grammar usage guide and real-world examplesUSAGE SUMMARY
"commence upon" is correct and usable in written English.
It is usually used to mean beginning something, especially a task or job. For example, "The project will commence upon receipt of the necessary materials."
✓ 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
8 human-written examples
The salary of a chief of mission shall commence upon the effective date of appointment to that position.
Academia
In addition, the sentences imposed were ordered to commence upon completion of the five-year sentence in the conspiracy case.
Academia
The sentences were to run concurrently and were to commence upon her release from custody following execution of the five-year sentence imposed on the conspiracy charge.
Academia
The time periods commence upon receipt of a full set of documents and are suspended if negotiations are taking place between the parties and the Ministry.
Academia
Petitioner had in the meantime, on August 8, 1952, been adjudged guilty of eleven criminal contempts for her eleven refusals to answer on June 30, and she was sentenced by the District Court to eleven one-year terms of imprisonment, to run concurrently and to commence upon the completion of petitioner's imprisonment for the conspiracy.
Academia
The District Court held petitioner in contempt of court for each refusal to answer, and imposed 11 concurrent sentences of one year each, which were to commence upon the petitioner's release from custody following execution of the five-year sentence imposed in the conspiracy case.
Academia
Human-verified similar examples from authoritative sources
Similar Expressions
52 human-written examples
[The girl] also stated she was experiencing difficulty sleeping and intense feelings of fear, which she identified commenced upon her entry into detention".
News & Media
Certain profanities almost always commenced upon smooshing the gas pedal.
News & Media
Restricted stock units vest over a three (3) or four (4) year period in equal annual installments commencing upon the first anniversary of the grant date subject to the continuous active service of the grantee.
News & Media
The Collaborative Case officially commences upon the execution of the Collaborative Commitment Agreement ("CCA"), which occurs at the CCA meeting that is attended by both spouses and all professional team members.
News & Media
However, in the case when RA exposure commenced upon cell plating, neither model performed well.
Science
Expert writing Tips
Best practice
Use "commence upon" in formal writing where you want to convey a sense of authority or precision regarding the start of an event. For instance, in legal documents or official reports.
Common error
Avoid using "commence upon" in casual conversations or informal writing. Simpler alternatives like "start after" or "begin when" are often more appropriate and natural.
Source & Trust
88%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "commence upon" functions as a temporal marker, indicating the point in time when an action or event will begin. Ludwig AI confirms that the phrase often introduces a condition or event that triggers the start of something else.
Frequent in
Academia
35%
Science
33%
News & Media
22%
Less common in
Formal & Business
10%
Wiki
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, "commence upon" is a grammatically correct phrase used to indicate the beginning of an action or event, contingent on a specific condition. As Ludwig AI confirms, it is most appropriate in formal and scientific contexts, such as academic papers, legal documents, and official reports. Simpler alternatives are generally preferred for informal use. Its function is to provide clarity on the timing and conditions that trigger the commencement of something. While "commence upon" may not be as common as simpler alternatives, its use is well-supported in formal writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
initiate upon
This phrase substitutes "commence" with "initiate", implying a more formal or official beginning.
start upon
Replaces "commence" with the more common "start", making it less formal.
begin upon
Uses "begin" instead of "commence", resulting in a slightly less formal tone.
launch upon
Implies a more significant or energetic start than "commence upon".
embark upon
Suggests a start with a sense of adventure or a major undertaking.
trigger upon
Focuses on the event that sets off something else, emphasizing cause and effect.
activate upon
Emphasizes the start of a process or mechanism upon a specific condition.
instigate upon
Suggests causing something to start, often with implications of taking action.
take effect upon
Highlights the moment something becomes operational or legally binding.
be contingent upon
Shifts the focus to the condition that must be met for something to start.
FAQs
What does "commence upon" mean?
"Commence upon" means to begin or start something, often after a specific condition is met. It's a formal way of saying "start after" or "begin when".
How can I use "commence upon" in a sentence?
You can use "commence upon" to indicate when an action or process will begin. For example: "The project will commence upon receiving final approval."
What are some alternatives to "commence upon"?
Alternatives to "commence upon" include phrases like "initiate upon", "start upon", or "begin upon", depending on the level of formality you want to convey.
When is it appropriate to use "commence upon"?
It is appropriate to use "commence upon" in formal contexts such as legal documents, official reports, or academic writing. In less formal settings, simpler alternatives are often preferred.
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
88%
Authority and reliability
4.3/5
Expert rating
Real-world application tested