he ascertained that

USAGE SUMMARY

"he ascertained that" is correct and usable in written English.
You can use it when you two need to indicate that someone has figured out that something is true or real after investigating or inquiring. Example sentence: He ascertained that the painting was a forgery after looking at it through a magnifying glass.

✓ Grammatically correct

News & Media

Science

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

5 human-written examples

He ascertained that word of the meeting had in fact passed to Heseltine via a civil servant, and agreed a compromise using the ambiguity of the term "you" – to suggest this meant Lygo personally, not British Aerospace – but was left with "an unpleasant taste" and felt that relations with his board had been damaged.

Independent

In 1964 he ascertained that the T4 bacteriophage had a circular genetic map and that its DNA was circularly permuted.

Encyclopedia Britannica

When he ascertained that the third act, long thought to be an unfinished sketch, was actually about three-fifths complete and cast an entirely new light on the opera, he protested publicly that Berg's publisher was repressing an important part of the work.

The New York Times - Arts

Also, he ascertained that these results hold good for any nanoparticle size and nanofluid combination.

Nanoscale Research Letters

He ascertained that the window at the end of the stage looked over a parapet, about a foot wide, which reached over, at the far end of the building, to the window of the control room.

Forbes

Human-verified similar examples from authoritative sources

Similar Expressions

54 human-written examples

He ascertains that Justin doesn't adequately appreciate her — A. has access to the memories of whichever body he's borrowing — and that she deserves ardor on a much grander scale.

The New York Times - Books

Looking at a Web site with friends, he checked into the possibility of asking for No. 16 -- and ascertained that number was retired in honor of Whitey Ford.

The New York Times - Sports

From a section in the notebook marked "Alternatives to death," Lymberis added that we can ascertain that "he was desperate.

Vice

More significantly, a sergeant from the special investigation branch of the Royal Military police signed a statement in which he said that during his inquiries he had "ascertained that Military Personnel had fired from Springmartin Road".

The Guardian

Unfortunately, the cop who pulled over Righeimer must not have been in on the plan because he quickly ascertained that the politico hadn't been drinking.

Vice

If the source is Russia, we should be able to ascertain that pretty quickly.

The New York Times

Expert writing Tips

Best practice

Use "he ascertained that" to convey a sense of thorough investigation and reliable confirmation. This phrase is particularly effective when emphasizing the rigorous nature of the process leading to a conclusion.

Common error

Avoid using "he ascertained that" in casual conversation or informal writing. Simpler phrases like "he found out" or "he learned" are generally more appropriate for less formal settings.

Linguistic Context

The phrase "he ascertained that" functions as a reporting clause, introducing a statement of fact that someone has determined through careful investigation or inquiry. It presents information as verified and reliable. Ludwig examples showcase usage in news, science, and encyclopedic contexts.

Expression frequency: Uncommon

Frequent in

News & Media

43%

Science

29%

Wiki

14%

Less common in

Encyclopedias

14%

Formal & Business

0%

Social Media

0%

Ludwig's WRAP-UP

In summary, "he ascertained that" is a grammatically correct phrase used to indicate that someone has discovered or confirmed a fact after careful investigation. Ludwig AI validates its correctness and demonstrates its use in neutral to formal contexts such as news articles, scientific publications, and encyclopedias. While it is appropriate for formal writing, simpler alternatives may be more suitable for casual conversation. Related phrases include "he confirmed that", "he determined that", and "he found out that". Using this phrase effectively involves understanding the context and register to convey a sense of reliability and thoroughness.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

he confirmed that

Focuses on the act of validation or verification rather than the process of finding out.

he determined that

Emphasizes the process of making a firm decision or conclusion after some investigation.

he established that

Stresses the act of proving or demonstrating something to be true.

he discovered that

Highlights the act of finding something new or previously unknown.

he verified that

Concentrates on confirming the accuracy or truth of something.

he found out that

A more informal way of saying he learned or discovered something.

he realized that

Emphasizes the moment of understanding or becoming aware of something.

he figured out that

Suggests a process of reasoning or problem-solving to arrive at a conclusion.

he learned that

A simpler way of expressing that he came to know something.

he understood that

Focuses on having a clear grasp or comprehension of something.

FAQs

What does "he ascertained that" mean?

The phrase "he ascertained that" means he discovered or determined something to be true after conducting an inquiry or investigation. It suggests a careful and methodical process of finding out information.

How can I use "he ascertained that" in a sentence?

You can use "he ascertained that" to indicate that someone has confirmed a fact through investigation. For example, "He ascertained that the documents were authentic before presenting them to the board."

What can I say instead of "he ascertained that"?

You can use alternatives like "he confirmed that", "he determined that", or "he found out that" depending on the context.

What's the difference between "he ascertained that" and "he assumed that"?

"He ascertained that" implies a process of investigation and confirmation, while "he assumed that" suggests making a judgment or belief without concrete evidence or proof.