ascertain
a ser tayn
- v establish after a calculation, investigation, experiment, survey, or study
- v be careful or certain to do something; make certain of something
- v find out, learn, or determine with certainty, usually by making an inquiry or other effort
- v learn or discover with certainty
- 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.
- It's a question that has been fodder for morning radio contests and celebrity death pools, and has even given rise to a number of websites that allow you to ascertain whether your .
- The city's chief medical examiner's office was unable to ascertain the cause of death based on an autopsy performed Wednesday morning.