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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
Other Word Forms
- ascertainable adjective
- ascertainably adverb
- ascertainer noun
- ascertainment noun
- nonascertainable adjective
- nonascertainableness noun
- nonascertainably adverb
- nonascertainment noun
- preascertain verb (used with object)
- preascertainment noun
- unascertainable adjective
- unascertainably adverb
- unascertained adjective
- well-ascertained adjective
Word History and Origins
Origin of ascertain1
Word History and Origins
Origin of ascertain1
Example Sentences
Russian legal experts say the true scale of the problem is hard to ascertain.
Mr Lawson said the pioneering work had even ascertained where the people, who were buried between the 12th Century and 1560, were born.
She named seven men, whose whereabouts could "not be ascertained", as having committed or being complicit in the murder.
Fire service officials have not ascertained which of the two buildings caught fire first.
Speaking at a news conference on Monday, officials said the incident was a "targeted act of violence", but said they had not yet ascertained Sanford's motive.
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When To Use
What are other ways to say ascertain?
To ascertain something is to determine it or learn it with certainty or assurance. How is ascertain different from the learn, discover, and detect? Find out on Thesaurus.com.
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