Definition of ascertainnext

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 By making the system-wide prompt publicly available, the public can help ascertain whether the instructions are on-target or off-target. Lance Eliot, Forbes.com, 27 May 2026 This may seem in stark opposition to the aforementioned acoustic piety, but these dueling approaches form a beautiful medley of opposites, placing all things human right alongside all things divine, as Christophe attempts to ascertain the nature of both. Siddhant Adlakha, Variety, 19 May 2026 Barber further added that the project aims to ascertain if humanoid robots in general can be part of a permanent renovation team, add value to the project, and operate safely in sites that are hectic by nature. Abhishek Bhardwaj, Interesting Engineering, 18 May 2026 Taylor believed there was an objectively correct productivity level that could be ascertained as certainly as gravity. Literary Hub, 12 May 2026 See All Example Sentences for ascertain
Recent Examples of Synonyms for ascertain
Verb
  • The invasive golden mussel has now been confirmed in the Port of West Sacramento, marking the species' northernmost detection in California since it was first discovered in Stockton in 2024, wildlife officials announced Saturday.
    Richard Ramos, CBS News, 28 June 2026
  • Since discovering the beauty of Florida more than four decades ago, Clyde Butcher has become known for his giant black-and-white photographs showing the dramatic majesty of the state’s landscape — especially the Everglades.
    Patrick Connolly, The Orlando Sentinel, 27 June 2026
Verb
  • Ease off the accelerator - Step off the gas to slow down the vehicle until the tires find traction.
    NC Weather Bot, Charlotte Observer, 23 June 2026
  • His attorneys contend the containers found on Pino’s boat were collected from other friends’ vessels partying with them on the sandbar that day.
    Grethel Aguila, Miami Herald, 23 June 2026
Verb
  • The need behind Tuesday's effort is bigger than many realize.
    Joshua Cole, CBS News, 24 June 2026
  • How visual clutter quietly overstimulates the brain Visual noise adds up faster than most people realize.
    Lauren Jarvis-Gibson, Sacbee.com, 24 June 2026
Verb
  • Websites like AirHelp can assist you in learning what you’re entitled to based on your itinerary, and in claiming the compensation you’re owed.
    Zach Wichter, USA Today, 24 June 2026
  • At age 30, Sarris uncovered the identities of his birth parents and learned of his Native heritage.
    Maddie Connors, Los Angeles Times, 24 June 2026
Verb
  • While many people were surprised to see the warning pop up on their phones, especially those living hundreds of miles from the epicenter, officials say the ShakeAlert system is designed to err on the side of caution.
    Brady Halbleib, CBS News, 25 June 2026
  • She was last seen wearing a black shirt and shorts, police said.
    Sean Campbell, Sacbee.com, 25 June 2026
Verb
  • This route will be shorter and more direct to the trailhead and parking lot, which is located at the Proctor Valley Natural Resource Area.
    Maura Fox, San Diego Union-Tribune, 26 June 2026
  • The Olathe Police Department was seeking the public’s help in locating 7-month-old infant and her mother, 28-year-old Caprice Viehouser, who were last seen May 28 near the 2100 block of East Arrowhead Drive.
    Emily Harter, Kansas City Star, 26 June 2026
Verb
  • Barreto’s muffled voice is heard responding.
    Diego Mendoza, CNN Money, 28 June 2026
  • If the sky becomes threatening and thunder can be heard, find a safe place to shelter.
    NC Weather Bot, Charlotte Observer, 27 June 2026
Verb
  • This time green and red shared the spotlight as Algeria played Austria in a Group J match, the final one that determined who would advance to the knockout stage.
    Pete Grathoff, Kansas City Star, 28 June 2026
  • The researchers studied the planets’ orbits using telescopes on Earth to determine their density, from 1,110 light-years away.
    Marcia Dunn, Los Angeles Times, 28 June 2026

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Cite this Entry

“Ascertain.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ascertain. Accessed 29 Jun. 2026.

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