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
on an act
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "on an act" is correct and usable in written English.
It can be used when referring to a specific action or deed, often in a legal or formal context. Example: "The committee is currently deliberating on an act that aims to improve environmental regulations."
✓ Grammatically correct
News & Media
Wiki
Science
Alternative expressions(3)
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
59 human-written examples
We're acting in a way, but we are not putting on an act.
News & Media
Was he putting on an act?
News & Media
"He was putting on an act.
News & Media
They assumed he was putting on an act.
News & Media
We thought that they were just putting on an act.
News & Media
It is very useful to be that way, but I am not putting on an act.
News & Media
"It's about putting on an act," says Gyllenhaal. "Whatever your sex.
News & Media
"I don't feel like I'm putting on an act or anything like that.
News & Media
The Botaira employees were not really putting on an act -- or if they were, they did it convincingly.
News & Media
They saw us, four New Yorkers, as middle-class brats putting on an act that wasn't real, wasn't earned.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
Yet here is the crook in the path, something that McCullough reveals but never quite explains: it was all a put-on, an act.
News & Media
Expert writing Tips
Best practice
When using "on an act" in legal or formal contexts, ensure the noun following 'on' is specific and clearly defined to avoid ambiguity.
Common error
Avoid using "on an act" in casual conversation or informal writing, as it can sound stilted or overly formal. Opt for simpler phrasing like "regarding an action" or "about a deed" in such cases.
Source & Trust
81%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "on an act" functions primarily as a prepositional phrase modifying a noun or verb, specifying the basis, reason, or object of an action. This is supported by Ludwig AI's analysis, which indicates its correct and usable nature.
Frequent in
News & Media
41%
Wiki
25%
Science
11%
Less common in
Formal & Business
8%
Encyclopedias
6%
Academia
3%
Ludwig's WRAP-UP
In summary, "on an act" is a grammatically sound and relatively common prepositional phrase used to specify the basis or reason for an action. According to Ludwig AI, the phrase is correct and usable in written English. While it's acceptable in various contexts, it leans towards formal usage and should be used judiciously in casual settings. When using "on an act", clarity is essential to avoid ambiguity. Consider alternatives like "regarding a deed" or "relating to an action" for less formal situations.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
relating to an action
Uses "action" as a more general term for "act".
regarding a deed
Replaces "act" with "deed", focusing on the action itself.
concerning a measure
Implies a specific action taken for a purpose.
concerning a statute
Substitutes "act" with "statute", emphasizing a formal law or regulation.
pursuant to a decree
Emphasizes compliance with an official order.
based on a performance
Emphasizes the aspect of acting or pretense.
relating to a transaction
Focuses on a business or legal exchange.
regarding a proceeding
Replaces "act" with "proceeding", suggesting a formal process or event.
with respect to a decision
Highlights a choice or judgment.
depending on a behavior
Focuses on behavior as the determining factor.
FAQs
How can I use "on an act" in a sentence?
You can use "on an act" to refer to the basis or reason for something, such as "The decision was based "on an act" of bravery".
What are some alternatives to "on an act"?
Some alternatives to "on an act" include phrases like "regarding a deed", "concerning a statute", or "relating to an action".
Is "on an act" formal or informal?
"On an act" tends to be more formal and is often used in legal, official, or serious contexts. In casual conversation, it might sound overly stilted.
When is it appropriate to use the phrase "on an act"?
It's suitable to use "on an act" when you want to emphasize the legal or formal nature of an action, decision, or basis, particularly in writing or official communication.
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
81%
Authority and reliability
4.1/5
Expert rating
Real-world application tested