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
to ascertain the
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "to ascertain the" is correct and usable in written English.
It can be used when you want to express the action of finding out or determining something specific. Example: "The researchers conducted a study to ascertain the effectiveness of the new drug."
✓ Grammatically correct
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
59 human-written examples
Occasionally, Emil made phone calls to ascertain the progress.
News & Media
Maybe we can use it to ascertain the health of their joints.
News & Media
"Police officers attended the scene in order to ascertain the details of the alleged offender.
News & Media
We are now going to ascertain the deaths, and look after the many injured.
News & Media
The first step was to ascertain the value of my mystery cards.
News & Media
Our commitment to do what is possible to ascertain the truth and possible responsibilities remains unchanged.
News & Media
Over the past three years, Bangladesh has been unable to ascertain the force behind these executions.
News & Media
If necessary, we literally have someone drive up and down the streets to ascertain the facts".
News & Media
The Australian federal police said its inquiries were simply "to ascertain the identity of Mr Abdellatif".
News & Media
The vet came out to ascertain the cause of death, and National Parks collected the horn.
News & Media
The Algorithm should be able to ascertain the public space.
Expert writing Tips
Best practice
Use "to ascertain the" when you need to express a formal or thorough investigation to establish facts or truth.
Common error
Avoid using "to ascertain the" in casual conversation or informal writing, as it may sound pretentious. Opt for simpler alternatives like "to find out" or "to learn" in those contexts.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "to ascertain the" functions as an infinitive phrase that expresses the purpose or intention of an action. Ludwig AI confirms that it is commonly used to introduce an action aimed at discovering or establishing a specific fact or truth.
Frequent in
Science
50%
News & Media
42%
Formal & Business
8%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "to ascertain the" is a grammatically correct and frequently used infinitive phrase, as verified by Ludwig AI. It functions primarily to express the purpose of an action aimed at discovering or establishing a specific fact. While versatile, it's most common in formal contexts such as science and news media, suggesting a thorough approach to gathering information. When writing, consider whether a simpler alternative like "to find out the" might be more appropriate for informal settings. By understanding its register and intended purpose, you can use "to ascertain the" effectively in your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
to determine the
Changes the verb to a more direct synonym, emphasizing the act of making a firm decision or calculation.
to establish the
Shifts the focus to confirming or proving something, often in a more formal or legal setting.
to discover the
Implies finding something previously unknown or hidden, adding an element of exploration.
to identify the
Focuses on recognizing or distinguishing a specific item or element from others.
to find out the
Offers a more informal and direct way of expressing the need to gain information.
to verify the
Highlights the act of checking or confirming the truth or accuracy of something.
to confirm the
Similar to verify, but often implies a stronger sense of certainty or validation.
to learn the
Focuses on the process of gaining knowledge or understanding about something.
to probe the
Suggests a more in-depth or investigative approach to uncovering information.
to inquire about the
Emphasizes the act of asking questions to gather information, often in a formal setting.
FAQs
How can I use "to ascertain the" in a sentence?
You can use "to ascertain the" to introduce the purpose of an action, such as "The detective reviewed the evidence to ascertain the truth" or "Further tests are needed to ascertain the cause of the problem".
What are some alternatives to "to ascertain the"?
Depending on the context, you could use alternatives like "to determine the", "to find out the", or "to establish the".
Is "to ascertain the" formal or informal?
"To ascertain the" is generally considered a formal phrase. In more casual contexts, it's better to use simpler alternatives like "to find out the" or "to learn the".
What's the difference between "to ascertain the" and "to assume the"?
"To ascertain the" means to discover or establish something definitively through investigation, while "to assume the" means to suppose something is true without proof. They have opposite meanings.
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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested