ENGLISH WORD FILE NO. 00755 · Core CSAT & TOEIC Vocabulary
ascertain
v.
US/ˌæsərˈteɪn/
UK/ˌæsəˈteɪn/
CSAT Frequency72/100
TOEIC Frequency68/100
02
Meanings of ascertain
1verb
To find out or determine the truth or facts about something through investigation or inquiry.
The detective worked to ascertain the suspect's whereabouts on the night of the crime.
The detective worked to ascertain the suspect's whereabouts on the night of the crime.
We need to ascertain the exact cause of the equipment failure before proceeding.
We need to ascertain the exact cause of the equipment failure before proceeding.
03
Derivatives of ascertain
ascertainment
the act of ascertaining (noun)
The ascertainment of accurate data is crucial for making informed business decisions.
The ascertainment of accurate data is crucial for making informed business decisions.
ascertainable
able to be ascertained (adjective)
The results of the experiment are ascertainable through careful measurement and analysis.
The results of the experiment are ascertainable through careful measurement and analysis.
ascertain the facts
establish the true details of a situation (phrasal expression)
Before drawing conclusions, we must ascertain the facts about the incident.
Before drawing conclusions, we must ascertain the facts about the incident.
04
Synonyms & Antonyms of ascertain
05
Common Phrases with ascertain
ascertain the truthascertain the truth
ascertain the causeascertain the cause
ascertain the factsascertain the facts
ascertain whetherascertain whether
ascertain the exact amountascertain the exact amount
06
Practice Question: ascertain
Choose the best word for the blank
The auditors will ___ whether all financial records comply with accounting standards.
- A ascertaining
- B ascertained
- C ascertain
- D ascertainment
The base form 'ascertain' follows the modal 'will' in future tense construction.