How to pronounce ascertain? This video provides examples of an American pronunciation of ascertain from two male and two female speakers. In addition, it explains the meaning of ascertain through a ditionary definition and several visual examples.
IPA Transcription of ascertain: /ˌæsɚtˈeɪn/ Definition of ascertain: 1. To find out definitely; to discover or establish. 2. To make (someone) certain or confident about something; to inform. 3. To establish, to prove. 4. To ensure or effect.