ascertain ascertain  /ˌæ sər ˈteɪn/


  1. (v) establish after a calculation, investigation, experiment, survey, or study
  2. (v) be careful or certain to do something; make certain of something
  3. (v) find out, learn, or determine with certainty, usually by making an inquiry or other effort
  4. (v) learn or discover with certainty


  1. The city's chief medical examiner's office was unable to ascertain the cause of death based on an autopsy performed Wednesday morning.
  2. In fact, because of the human intelligence work I did in the Soviet Union I was able to ascertain that the girls were actually dissatisfied with the Soviets.
  3. More difficult to ascertain is the impact of the incident in Islamabad, where Nawaz Sharif faces increasing pressure from the military and rightwing radicals to exact revenge.


  1. PDL BioPharma Sues Genentech for Underpayment of Royalties

    Alleges biotech blocked its auditor from completely inspecting its books to ascertain royalties owed        
    on June 12, 2013     Source: The Motley Fool

  2. Emmaus is The Morning Call's volleyball team of year

    Deb Schlosser believes every team she coaches at Emmaus has the potential to be great. She also feels that it's up to her to help each group of Green Hornets to ascertain that greatness.        
    on June 11, 2013     Source: The Morning Call


  1. "It's very important that at least someone meet with the Hamas leaders to express their views, to ascertain what flexibility they have, to try to induce them to stop all attacks against innocent civilians in Israel and to cooperate with e Fatah as a...
    on Apr 13, 2008 By: Jimmy Carter Source: Daily Star - Lebanon

  2. "For sure we'd want to ascertain his approach on such important and sensitive issues as wiretapping and the appointment of US attorneys," Schumer said, "but he's a lot better than some of the other names mentioned and he has the potential to...
    on Sep 17, 2007 By: Charles Schumer Source: TIME

  3. Mr. Icahn stated: "Over the past 12 months the statements and predictions of Motorola's management and the Board about Mobile Devices business have too often proven to be wrong. We want to ascertain what the Board could have done in the exercise of...
    on Mar 24, 2008 By: Carl Icahn Source: WELT ONLINE

Word of the Day
cynic cynic
/ˈsɪ nɪk /