Ascertain - definition, pronunciation, transcription

Amer.  |ˌæsərˈteɪn|  American pronunciation of the word ascertain
Brit.  |ˌæsəˈteɪn|  British pronunciation of the word ascertain


- establish after a calculation, investigation, experiment, survey, or study (syn: determine, find, find out)
- be careful or certain to do something; make certain of something (syn: assure, check, control, ensure, insure, see)
- find out, learn, or determine with certainty, usually by making an inquiry or other effort (syn: check, determine, find out, learn, see, watch)
- learn or discover with certainty

Extra examples

The information can be ascertained by anyone with a computer.

...was immediately able to ascertain that the girl was uncomfortable talking about her life at home...

She ascertained that fraud had been committed.

A postmortem was ordered to try to ascertain the cause of death.

Tests were conducted to ascertain whether pollution levels have dropped.

Police had ascertained that the dead man knew his killer.

You should ascertain the level of insurance cover from the car rental company.

Can you ascertain who he is?

In choosing a ham, ascertain that it is perfectly sweet.

Word forms

I/you/we/they: ascertain
he/she/it: ascertains
present participle: ascertaining
past tense: ascertained
past participle: ascertained
See also:  WebsterWiktionaryLongman