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Ascertain

Definitions and Meaning in English

1. To find out or determine something with certainty.
2. To verify or confirm information through investigation or analysis.
3. To make sure of a fact or truth by careful examination.

History and Origin

The word “ascertain” comes from the Old French acertainer, meaning “to make certain,” which is derived from the Latin certus (certain). It entered the English language in the late 15th century and has been used to describe the process of confirming facts or gaining definite knowledge.

Detailed Explanation

“Ascertain” refers to the act of making sure about something through careful examination or inquiry. It is often used in formal or investigative contexts, where verifying facts is essential. For example, scientists ascertain the accuracy of their experiments, journalists ascertain the truth behind news reports, and detectives ascertain the details of a crime.

The process of ascertaining something usually involves gathering evidence, analyzing information, and reaching a conclusion based on reliable sources. The word implies a methodical approach rather than making assumptions or guesses.

Example Sentences

1. The doctor conducted tests to ascertain the cause of the illness.
2. Investigators worked to ascertain the facts behind the accident.
3. She checked multiple sources to ascertain the accuracy of the report.
4. Scientists perform experiments to ascertain the effectiveness of a new drug.
5. He looked at the records to ascertain whether the payment was made.
6. The lawyer tried to ascertain the truth before presenting the case.
7. Before signing the contract, he ascertained all the terms and conditions.
8. The survey aimed to ascertain public opinion on the new policy.
9. The security team ascertained that the building was safe before allowing entry.

Synonyms with Short Explanation

1. Determine – To establish or decide something based on facts.
2. Confirm – To verify the truth or accuracy of something.
3. Verify – To check and ensure something is correct.
4. Identify – To recognize and establish information about something.
5. Discover – To find out information previously unknown.

Related Words with Short Explanation

1. Investigate – To examine in detail to uncover facts.
2. Examine – To look closely at something for accuracy.
3. Analyze – To study something carefully to understand it better.
4. Clarify – To make something clearer or easier to understand.
5. Recognize – To acknowledge or realize something as true.

More Matches with Short Explanation

1. Validate – To confirm something as accurate or legitimate.
2. Deduce – To conclude something based on evidence.
3. Inspect – To closely check or examine something.
4. Authenticate – To prove something is genuine.
5. Appraise – To assess the value or quality of something.

Antonyms

1. Ignore
2. Doubt
3. Neglect
4. Overlook
5. Misinterpret