Ascertain
To find out or determine something with certainty through careful investigation or analysis.
verbAscertain
To find out or determine something with certainty through careful investigation or analysis.
verbImagine This
Imagine a detective collecting clues, cross-checking lab results, and comparing multiple sources until the true cause or fact is clearly established beyond doubt.
Sounds Like
AS-ər-tayn
Looks Like
resembles the word 'certain' with an 'as-' prefix added
Remember This
Ascertain means to confirm or verify something with evidence. It is more formal than 'find out' and is common in legal, scientific, and investigative writing.
Other Forms
Connect With
determine, verify, confirm, establish, uncover
Note
Do not confuse with 'ascertainable' (capable of being ascertained) or with 'assert' (to declare confidently). Ascertain emphasizes obtaining proof to establish truth.
Study Deeper
- Investigators sought to ascertain the cause of the fire by examining the scene and reviewing surveillance footage.
- The auditor's job is to ascertain that every entry in the ledger is supported by a receipt.
From Middle English ascertainen, via Old French acertainder/acertainer meaning to certify or make certain; from Latin certus meaning certain.
As-CERT-ain: When you ascertain something, you make it CERTAIN by checking the facts.
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Similar Words
Related words and words with the same part of speech.
Abandon
verbTo give up completely, to desert or leave behind, or to relinquish a claim, plan, or responsibility.
Abate
verbTo decrease in amount or intensity; to reduce or end something.
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verbTo formally end or repeal a system, practice, or institution; to officially put an end to something established.
Abridge
verbTo shorten (a text, speech, or other work) by omitting parts; to condense.
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verbTo depart secretly or flee, especially to avoid detection or arrest.
Absolve
verbTo free someone from blame or responsibility; to pardon or exonerate.