What are the antonyms for ASCERTAIN?

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Synonyms for ASCERTAIN

Usage Examples for ASCERTAIN

  1. Make a list of the questions which you think most likely to be asked on the lesson and ascertain whether you can answer them without the use of your notes or text. - "The Teaching of History" by Ernest C. Hartwell
  2. Materials are accepted and paid for only after a laboratory analysis to ascertain their true worth. - "Analyzing Character" by Katherine M. H. Blackford and Arthur Newcomb