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Ascertain - Meaning, Definition & English Examples

To ascertain means to find out or determine something with certainty, often through investigation or evidence. It implies a deliberate effort to discover the truth or verify facts.

ascertain

/æsɚˈteɪn/ /ˌæsəˈteɪn/

Definition:

To find out or learn something with certainty through investigation or examination.

Synonyms:

determine, verify, confirm, discover, establish

Part of Speech:

verb

Antonyms:

guess, assume, doubt

Common Collocations:

ascertain the truth, ascertain the facts, ascertain the cause, ascertain the details

Derivatives:

ascertainable, ascertainment

Usage Tips:

Use "ascertain" when you need to emphasize finding out something definitively, often through research or evidence.

Common Phrases:

ascertain the truth of the matter, ascertain beyond doubt, ascertain one's intentions

Etymology:

From Old French "acertener," meaning to make certain or assure; Latin "certus" (certain).

Examples:

  • 1. She tried to ascertain the correct answer from the textbook.
  • 2. The detective needed to ascertain the suspect's alibi.
  • 3. Can you ascertain whether the meeting is still on?
  • 4. Scientists aim to ascertain the effects of climate change.

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