Synonym Chooser

How does the verb ascertain contrast with its synonyms?

Some common synonyms of ascertain are determine, discover, learn, and unearth. While all these words mean "to find out what one did not previously know," ascertain implies effort to find the facts or the truth proceeding from awareness of ignorance or uncertainty.

attempts to ascertain the population of the region

When is determine a more appropriate choice than ascertain?

The meanings of determine and ascertain largely overlap; however, determine emphasizes the intent to establish the facts definitely or precisely.

unable to determine the origin of the word

When would discover be a good substitute for ascertain?

While in some cases nearly identical to ascertain, discover may apply to something requiring exploration or investigation or to a chance encounter.

discovered the source of the river

In what contexts can learn take the place of ascertain?

The words learn and ascertain can be used in similar contexts, but learn may imply acquiring knowledge with little effort or conscious intention (as by simply being told) or it may imply study and practice.

I learned her name only today
learning Greek

When can unearth be used instead of ascertain?

The words unearth and ascertain are synonyms, but do differ in nuance. Specifically, unearth implies bringing to light something forgotten or hidden.

unearth old records

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of ascertain Once settled at Kelson's camp, the doctor is able to ascertain that Isla has a fatal form of cancer, and that there's no saving her. Randall Colburn, EW.com, 23 June 2025 Once the scooter submerges and goes out of GPS range, the system continues to ascertain its location based on factors such as its speed and orientation. Ben Coxworth july 10, New Atlas, 10 July 2025 The exact number of affected survivors is difficult to ascertain. Andrew Lapin, Sun Sentinel, 3 July 2025 The latter split into at least three sub-lineages whose movements have been traced in South America, but scientists have not yet ascertained when the first people would have moved from Central America to South America. Jack Guy, CNN Money, 11 June 2025 See All Example Sentences for ascertain
Recent Examples of Synonyms for ascertain
Verb
  • In the meantime, the Smiths hired their own analyst and discovered that all the emails had originated in the United States, not abroad.
    Caroline Blair, People.com, 27 July 2025
  • He was discovered about 9 a.m. on near mile marker 183.
    Keith Sharon, Nashville Tennessean, 26 July 2025
Verb
  • Search crews found Phillips’ Jeep crushed into the mud, but have not recovered the fire chief’s body after more than two weeks of searching.
    Bayliss Wagner, Austin American Statesman, 25 July 2025
  • As Cincinnati city leaders consider new ways to enforce the curfew for youth who stay out too late, an Enquirer review of data found police across Hamilton County have been steadily filing fewer curfew violations over the past 25 years.
    David Ferrara, The Enquirer, 25 July 2025
Verb
  • Organizations are realizing that technical expertise alone doesn’t drive outcomes.
    Andrew Lopez, Forbes.com, 25 July 2025
  • And, my fears were realized — the park was crowded.
    Tom Montgomery Fate, Chicago Tribune, 25 July 2025
Verb
  • At the nearby Hershey Story Museum, kids can learn about the history of chocolate and how to make it.
    Lynnette Nicholas, Parents, 23 July 2025
  • The youngest of seven siblings, Kelly learned to be resilient from an early age.
    Charlotte Harpur, New York Times, 23 July 2025
Verb
  • Suspect is Michael Paul Brown and was last seen in the Stumptown area.
    Jenna Sundel Gabe Whisnant, MSNBC Newsweek, 2 Aug. 2025
  • But a lot of people seem to have seen the Ricky Gervais sketch.
    Alex Ritman, Variety, 1 Aug. 2025
Verb
  • The $125 million corporate hub will be located in Franklin's Berry Farms neighborhood and is expected to open later this year.
    Diana Leyva, The Tennessean, 24 July 2025
  • Rideshare drop-off and pick-up is located on the east side of Q2 Stadium on Delta Drive.
    Marley Malenfant, Austin American Statesman, 24 July 2025
Verb
  • Investors will want to hear clear strategies from the hyperscalers .
    Sarah Min, CNBC, 25 July 2025
  • But hear me out: When they’re done right, at their very best, pranks are a labor of love.
    Katie Yee July 25, Literary Hub, 25 July 2025
Verb
  • The researchers also used functional MRI (fMRI) analysis of brain activation during the simulated exposures, to determine how the brain processed this simulated threat.
    Paul Hsieh, Forbes.com, 31 July 2025
  • At this time, there is no information on the containment of the fire and the cause of it has yet to be determined.
    CA WILDFIRE BOT, Sacbee.com, 31 July 2025

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Cite this Entry

“Ascertain.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ascertain. Accessed 7 Aug. 2025.

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