verb
- to find out or discover with certainty; to determine through investigation or inquiry
Usage: formal
Examples
- The detective worked to ascertain the facts of the case.
- We need to ascertain whether the information is accurate.
- The doctor ordered tests to ascertain the cause of her symptoms.
- It was difficult to ascertain his true intentions.
- The committee will ascertain the best course of action.
- Scientists are trying to ascertain the age of the fossil.
- Please ascertain the exact time of the meeting.