ascertain

/ˌæsətˈe‍ɪn/

/ˌæsɝˈteɪn/

to ascertain

MAIN VERB

to find out or determine something with certainty by careful examination or investigation

synonyms : determine

be careful or certain to do something; make certain of something

synonyms : assure

to discover and verify a fact or a piece of information

find out, learn, or determine with certainty, usually by making an inquiry or other effort

synonyms : check

Examples

1. In the mid 20th century ascertained probability of dates and modes of production for hundreds of manuscripts.

2. And a double line pattern forms at detector 1 even before its which path information is ascertained at detectors 2 or 3.

3. The degree of immunity from the vaccinations as well as from natural infection is still being ascertained through research.

4. But you ascertain that.