ascertain

verb
UK: /ˌæs.əˈteɪn/
US: /ˌæs.ərˈteɪn/

  1. To find something out for certain; make sure of something.

    1. I must ascertain the facts. [ ] [ ]
    2. The police are trying to ascertain the identity of the thief from CCTV footage. [ ] [ ]

  2. To discover something by experimenting or examining.

    1. We tried to ascertain how it worked. [ ] [ ]
    2. An inquiry was set up to ascertain the cause of the accident in the factory. [ ] [ ]

Synonyms

determine establish discover find out verify learn

Frequently Asked Questions

The word "ascertain" in English means: To find something out for certain; make sure of something., To discover something by experimenting or examining..

The phonetic transcription of "ascertain" is /ˌæs.əˈteɪn/ in British English and /ˌæs.ərˈteɪn/ in American English. Click the 🔊 button to hear both pronunciations.

Synonyms for "ascertain": determine, establish, discover, find out, verify, learn.

Example usage of "ascertain": "I must ascertain the facts.". More examples on the page.