ascertain
[ as-er-teyn ]
/ ˌæs ərˈteɪn /
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verb (used with object)
to find out definitely; learn with certainty or assurance; determine: to ascertain the facts.
Archaic. to make certain, clear, or definitely known.
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Origin of ascertain
OTHER WORDS FROM ascertain
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use ascertain in a sentence
British Dictionary definitions for ascertain
ascertain
/ (ˌæsəˈteɪn) /
verb (tr)
to determine or discover definitely
archaic to make certain
Derived forms of ascertain
ascertainable, adjectiveascertainably, adverbascertainment, nounWord Origin for ascertain
C15: from Old French acertener to make certain
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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