Acertain
Tags: TOEFL core, academic
verb
To find out or discover something with certainty
- The police tried to ascertain the cause of the accident.
- We need to ascertain the facts before deciding.
adjective ascertainable
Able to be discovered or determined.
- The exact cost is ascertainable from the report.
- His identity was ascertainable through records.
noun ascertainment
The act of finding out or determining something.
- The ascertainment of truth is essential in science.
- Data collection helps in the ascertainment of facts.