ascertain
[ as-er-teyn ]
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Part of Speech verb
Origin + Etymology
Late Middle English; Latin from Old French acertener, based on Latin certus ‘settled, sure’
Synonyms
  • confirm
  • determine
  • verify
  • establish
Antonyms
  • disprove
  • invalidate
  • confuse
  • misunderstand
Definition
to find out definitely; learn with certainty or assurance; determine
Example
The jury was determined to ascertain all the facts.
Usage Over Time

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