Ascertain

Pronunciation: /ˌæsərˈteɪn/

Ascertain (verb)

  1. to discover or learn something with certainty.
  2. to make sure of the facts or details of something.

Examples

  • She tried to ascertain the cause of the noise.
  • They need to ascertain the facts before proceeding.

Common collocations: ascertain the truth, ascertain the cause, ascertain the facts, ascertain the accuracy, ascertain the details

Synonyms of Ascertain

Formal

Neutral

Antonyms of Ascertain

  • when questioning or lacking certainty
  • when choosing not to verify or check