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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
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.
The team ascertain that she isn't street homeless, take her details, offer her a voucher and move on.
She’s ascertained that she’s not a child and not an adult; not the sick little girl named Marcy who she used to be, nor her maker’s favorite.
And if the Board of Supervisors doesn’t allow further seismic study of the building, the county won’t be able to ascertain the potential risks of doing no retrofit work, some warn.
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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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