ascertain

Pronunciation

• (UK) IPA ^(key): /ˌæsəˈteɪn/
• (US) enPR: ăs'-ər-tānʹ, IPA ^(key): /ˌæsɚˈteɪn/

• Audio (US)

  (file)

• Hyphenation: as‧cer‧tain

Verb

Plain form ascertain

Third-person singular ascertains

Past tense ascertained

Past participle ascertained

Present participle ascertaining

1. If you are trying to ascertain the cause of an accident, you are trying to find out or confirm the reason to why it happened.
   • Synonyms: determine, discover and establish