asc
er
tain
Third Person
ascertains
Present Participle
ascertaining
Past Tense
ascertained
Past Participle
ascertained
1
to determine something with certainty by careful examination or investigation
transitive
- The detective ascertained the identity of the culprit through fingerprint analysis.
- By conducting experiments, scientists ascertained the effectiveness of the new drug.
- The doctor ascertained the diagnosis by performing various medical tests.
- I ascertain the facts before making a decision.
- We are ascertaining the availability of resources.
2
to make someone sure or confident about something
transitive
- The teacher ascertained the students of their success in the final exam.
- I will ascertain you of the meeting schedule once it's confirmed.
- The letter ascertained the workers of the new safety procedures.
- His speech ascertained the audience of the importance of the project.
- We prayed to be ascertained of the good news soon.