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to ascertain
01
to determine something with certainty by careful examination or investigation
Transitive: to ascertain sth
Examples
The detective ascertained the identity of the culprit through fingerprint analysis.
02
to make someone sure or confident about something
Transitive: to ascertain sb of sth
Examples
The teacher ascertained the students of their success in the final exam.
Lexical Tree
ascertainable
ascertained
ascertain
