he ascertains

USAGE SUMMARY

The phrase "he ascertains" is correct and usable in written English.
It can be used when describing someone who is determining or finding out information or facts. Example: "In his investigation, he ascertains the truth behind the allegations."

✓ Grammatically correct

News & Media

Encyclopedias

Science

Human-verified examples from authoritative sources

Exact Expressions

2 human-written examples

First he ascertains how far off the compass is; next he tracks down sources of distortion, most of which can be taken care of by a built-in compensator.

The New Yorker

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

Human-verified similar examples from authoritative sources

Similar Expressions

58 human-written examples

Turnbull said his departmental secretary would report back to him after he ascertained the facts.

The Guardian

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

Encyclopedia Britannica

"He ascertained the threat and he reacted," said Todd Rutherford, who is both Scott's lawyer and the Democratic state representative who helped write the law in 2006.

The New York Times

In the driveway of the guesthouse, he ascertained the absence of Clem and Sheila before hurrying Sophie up the rickety steps, following her lurching bottom, the painful pinch of her flesh as it met her metal belt.

The New Yorker

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

"Anyone who he ascertained was a drug addict or going to multiple pharmacies or doctors, he would discharge, including Mr. Cornetta and Mr. Laffer," Mr. Wallenstein said, referring to David Laffer, who stole 11,000 hydrocodone pills, the main ingredient in Vicodin, from a Medford, N.Y., pharmacy on June 19 after fatally shooting four people inside.

The New York Times

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

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

Expert writing Tips

Best practice

Use "he ascertains" in formal writing when you want to convey a sense of careful and deliberate discovery or confirmation of a fact. It is particularly fitting in academic, scientific, or legal contexts.

Common error

Avoid using "he ascertains" in informal settings or everyday conversations where simpler alternatives like "he finds out" or "he figures out" would be more appropriate. Overusing formal language can make your writing sound stilted or pretentious.

Linguistic Context

The phrase "he ascertains" functions as a third-person singular present tense verb phrase. Ludwig AI suggests that it's used to describe the action of finding something out definitively.

Expression frequency: Rare

Frequent in

News & Media

33%

Encyclopedias

33%

Science

34%

Less common in

Formal & Business

0%

Social Media

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "he ascertains" is a grammatically sound and usable phrase, albeit somewhat formal. Ludwig AI analysis indicates that it is most appropriate in academic, scientific, or legal contexts where a sense of deliberate discovery is desired. While alternatives like "he finds out" and "he determines" exist, "he ascertains" adds a layer of precision and formality. Remember to consider your audience and the overall tone of your writing when choosing to use this phrase.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

he determines

Uses a synonym for "ascertains" that is still relatively formal, but perhaps slightly more common.

he finds out

Replaces "ascertains" with a more common and less formal phrasal verb. Changes the tone slightly.

he verifies

Implies a careful and systematic checking process.

he discovers

Implies finding something previously unknown or hidden.

he establishes

Focuses on the outcome of the process, emphasizing confirmation.

he figures out

Uses a more informal phrasal verb, suitable for less formal contexts.

he confirms

Similar to "establishes", emphasizing the verification of a fact or piece of information.

he investigates

Suggests a more in-depth and formal inquiry.

he learns

Focuses on the acquisition of knowledge, rather than the process of finding it out.

he understands

Shifts the emphasis to comprehension and grasping the meaning.

FAQs

How can I use "he ascertains" in a sentence?

You can use "he ascertains" to indicate that someone has carefully found something out. For example, "After reviewing the evidence, he ascertains the defendant's guilt."

What are some alternatives to "he ascertains"?

Some alternatives to "he ascertains" include "he finds out", "he determines", or "he confirms", depending on the specific nuance you wish to convey.

Is "he ascertains" formal or informal?

"He ascertains" leans towards the formal side. Simpler phrases like "he finds out" or "he figures out" are better suited for informal situations.

When is it appropriate to use "he ascertains" in writing?

It's appropriate to use "he ascertains" in formal writing, such as academic papers, legal documents, or professional reports, where a precise and somewhat elevated tone is desired.