Ascertain: meaning, definitions and examples

Use when you need to find out something with certainty through investigation or detailed research.

• The police worked hard to ascertain the cause of the accident.
• Before making a decision, it's important to ascertain all the facts.

Use when you need to decide or conclude something after considering facts, evidence, or circumstances. It involves analysis or calculation.

• Scientists are trying to determine the effects of the new drug.
• We need to determine the best course of action for the project.

Use when you need to prove or set up something definitively, often for long-term recognition or acceptance.

• The researchers worked hard to establish a connection between the two variables.
• He aims to establish himself as a leading author in the genre.

Use to verify or validate information that is already believed to be true. It often involves a second check or additional evidence.

• Can you confirm the time of the meeting for tomorrow?
• The test results confirmed their initial diagnosis.

Use when you need to make sure of something or find out information for certain.

• The detective tried to ascertain the cause of the accident
• Before we proceed, we must ascertain whether the data is accurate

Best for breaking down information into parts to understand it better, especially in scientific, academic, or detailed studies.

• The scientists analyzed the water samples for contamination
• She needs to analyze the market trends before launching the product

Commonly used for deeper and more formal inquiries, such as in law enforcement or journalism, often involving a search for hidden or detailed information.

• The police are assigned to investigate the crime
• The journalist decided to investigate the corruption allegations

Appropriate for looking at something very carefully, often in a thorough and detailed manner. It can also imply inspection or investigation by looking closely at the details.

• The doctor will examine you now
• The students need to examine the historical documents for their research