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
having noticed that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "having noticed that" is correct and usable in written English.
You can use it to connect two thoughts or ideas when writing. For example, "He left the scene quickly, having noticed that the police were nearby."
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
after realizing that
since observing that
recognizing that
becoming aware that
upon observing that
considering that
given that
in light of the fact that
having recognized that
having discerned that
having experienced that
having disclosed that
having confirmed that
having mentioned that
having recognised that
having documented that
having discovered that
having interpreted that
having ascertained that
having identified 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
48 human-written examples
(Steadman rarely caricatures politicians these days, having noticed that some of them enjoy it).
News & Media
But now, having noticed that Mr Hague is armed only with a popgun, it has executed a U-turn.
News & Media
65 min: Having noticed that every recent shot has flown into the net, Hadji tries his luck from 25 yards.
News & Media
I am not alone in having noticed that many overweight people drink diet sodas as if they were water.
News & Media
Having noticed that the secularization of England seems to have coincided with its decline, he becomes alive to serious flaws in the reasoning of atheists, like his brother.
News & Media
Having noticed that the transfer window just slammed shut, Roberto Ayala has decided he does want to stay at Valencia after all.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
12 human-written examples
Who has noticed that poetry is dead?
News & Media
"You may have noticed that poetry is dead.
News & Media
As you'll have noticed, that didn't happen.
News & Media
"I've noticed that".
News & Media
She had noticed that, too.
News & Media
Expert writing Tips
Best practice
Use "having noticed that" to smoothly introduce a consequence or decision based on an observation. For instance, "Having noticed that the weather was turning bad, we decided to head back early."
Common error
Avoid using "having noticed that" when the noticing and the subsequent action occur simultaneously. Use a simpler construction like "Noticing that..." instead.
Source & Trust
91%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "having noticed that" functions as an introductory participial phrase, setting the stage by indicating a prior observation or realization that influences the subsequent action or statement. This aligns with Ludwig AI's assessment of its correct grammatical usage.
Frequent in
News & Media
62%
Science
24%
Academia
5%
Less common in
Formal & Business
3%
Wiki
3%
Reference
3%
Ludwig's WRAP-UP
In summary, "having noticed that" is a grammatically correct and frequently used participial phrase that connects an observation to a subsequent action or statement. According to Ludwig AI, it is suitable for connecting two thoughts and ideas. It is most commonly found in news and media contexts, but also appears frequently in science and academic writing. To ensure clarity, avoid using it when the observation and action occur simultaneously. Consider alternatives like "after realizing that" or "recognizing that" for stylistic variation.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
recognizing that
A more concise way of expressing the realization.
becoming aware that
Focuses on the gaining of knowledge or understanding.
after realizing that
Highlights the element of understanding something.
upon observing that
Replaces "having noticed" with a more formal alternative.
since observing that
Emphasizes the time aspect after the observation.
considering that
Implies taking something into account when making a judgment.
given that
Introduces a statement as a known fact or condition.
in light of the fact that
A more formal and emphatic way of saying "because of".
it being apparent that
Emphasizes the obviousness of the observation.
seeing as how
An informal way to introduce a reason or explanation based on observation.
FAQs
How can I use "having noticed that" in a sentence?
Use "having noticed that" to connect an observation with a resulting action or realization. For instance, "Having noticed that the store was crowded, I decided to come back later."
What are some alternatives to "having noticed that"?
You can use alternatives like "after realizing that", "since observing that", or "recognizing that" depending on the context.
Is it more formal to use "having noticed that" or "noticing that"?
"Having noticed that" is slightly more formal than "noticing that", but both are acceptable in most written contexts. The choice depends on the overall tone and style of your writing.
What is the grammatical function of "having noticed that" in a sentence?
"Having noticed that" functions as a participial phrase, introducing a clause that provides context or reason for the main clause's action or state.
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
91%
Authority and reliability
4.6/5
Expert rating
Real-world application tested