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ascertain
[ as-er-teyn ]
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.
ascertain
/ ˌæsəˈteɪn /
verb
- to determine or discover definitely
- archaic.to make certain
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Derived Forms
- ˌascerˈtainable, adjective
- ˌascerˈtainment, noun
- ˌascerˈtainably, adverb
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Other Words From
- ascer·taina·ble adjective
- ascer·taina·bly adverb
- ascer·tainer noun
- ascer·tainment noun
- nonas·cer·taina·ble adjective
- nonas·cer·taina·ble·ness noun
- nonas·cer·taina·bly adverb
- nonas·cer·tainment noun
- preas·cer·tain verb (used with object)
- preas·cer·tainment noun
- unas·cer·taina·ble adjective
- unas·cer·taina·bly adverb
- unas·cer·tained adjective
- well-ascer·tained adjective
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Word History and Origins
Origin of ascertain1
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Word History and Origins
Origin of ascertain1
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Example Sentences
Last week, a Politico reporter phoned me to ascertain my thoughts on the new war.
We need a Special Select Committee on Benghazi to ascertain these facts and ensure that such a disaster never occurs again.
However, there is little existing research to ascertain this, or much else.
I try one final time to ascertain with Bradshaw what is in the ejaculatory mix.
For decades, people have been trying to ascertain the difference, but it mostly comes down to a level of taste.
One frequently wishes to ascertain the specific gravity of quantities of fluid too small to float an urinometer.
"We must endeavour to ascertain where Gordon is," replied Mr. Carr, as he re-enclosed the letter in his pocket-book.
No one outside the rebel camp could ever ascertain the exact number of prisoners, which was kept secret.
No one could ascertain exactly in what capacity he found himself near the fighting-line.
The attendant stooped over the bed to ascertain, and nodded in the affirmative.
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