ascertain
Usage
What are other ways to say ascertain?
To ascertain is to verify facts by inquiry or analysis: to ascertain the truth about an event. To learn is to add to one's knowledge or information: to learn a language. The verb discover is used with objective clauses as a synonym of learn in order to suggest that the new information acquired is surprising to the learner: I discovered that she had been married before. To detect implies becoming aware of something that had been obscure, secret, or concealed: to detect a flaw in reasoning.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
If the lawmakers wanted to ascertain U.S. policy, they could have asked the State Department.
From The Wall Street Journal ● Jul. 10, 2026
In correspondence seen by the BBC, the DWP said it was "unable to ascertain why" Hammond was told he owed £19,000.
From BBC ● May 15, 2026
That’s what “I Shot Andy Warhol” wants the viewer to ascertain.
From Salon ● Apr. 29, 2026
Officials said they are also in communication with authorities to ascertain the cause of death, obtain the complete medical record and review the circumstances surrounding the death.
From Los Angeles Times ● Mar. 30, 2026
He had, since the whipping, seemed in a perpetual irritation, glowering around the rooms, leaving company often, saying he wished to ascertain whether matter still subsisted in his chamber.
From "The Astonishing Life of Octavian Nothing, Traitor to the Nation, Volume I: The Pox Party" by M.T. Anderson
![]()
Henry plays it safe: He ascertains John is gay so shares his chapters via mail.
From Washington Post ● Dec. 29, 2022
On the other hand, logical analysis ascertains whether the premises of an argument support the conclusion.
From Textbooks ● Jun. 15, 2022
“Insikt Group ascertains with high confidence that the top tools on underground forums will continue to change,” the report said.
From Fox News ● Jul. 27, 2019
“The court looks at the impact and the motivation - if it is an ethical violation, if it is an administrative violation - and then ascertains if the punishment fits the crime,” Grevemberg said.
From Washington Times ● Apr. 2, 2018
He turns the trumpet of his sound-detector in the direction of the pursuing vessel, and from its dial ascertains her course.
From Harper's Round Table, September 3, 1895 by Various
Officials say their cause of death will be ascertained after a post-mortem examination.
From BBC ● Jul. 22, 2026
The three women's recorded cause of death is yet to be ascertained, the court was also told.
From BBC ● May 29, 2026
We drove alongside some of the vehicles, peered in windows, and ascertained it was nothing.
From Slate ● Oct. 27, 2025
Both Prieur and Mafart had been involved in planning the operation back in Paris—it was Prieur who had first ascertained the ship’s itinerary by calling Lloyd’s of London and posing as a journalist.
From Slate ● Jul. 22, 2025
No one ever ascertained what pleasure they derived from this macabre game.
From "A Tree Grows in Brooklyn" by Betty Smith
![]()
The return on the S&P 500 isn’t based on picking winners or ascertaining market sentiment.
From The Wall Street Journal ● May 21, 2026
Her petition said they are still ascertaining the assets to be identified as separate and community property.
From Los Angeles Times ● Aug. 27, 2024
“Sourcing gold from the UAE is notoriously risky,” the report said, describing the difficulty in ascertaining the origins of the refined gold.
From Seattle Times ● May 30, 2024
A patrol aircraft has "established contact with the vessel, ascertaining the safety of the crew," the navy says.
From BBC ● Jan. 5, 2024
“Miss Miggery, my dear, I do not want to appear too forward so early in our acquaintance, but may I inquire, am I right in ascertaining that you have aspirations?”
From "The Tale of Despereaux: Being the Story of a Mouse, a Princess, Some Soup and a Spool of Thread" by Kate DiCamillo
![]()
Vocabulary lists containing ascertain
The Vocabulary.com Top 1000
Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!
Night
Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!
The Bill of Rights
Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!