[{"word":"ascertain","phonetic":"/ˌæsəˈteɪn/","phonetics":[{"text":"/ˌæsəˈteɪn/","audio":""},{"text":"/ˌæsɚˈteɪn/","audio":"https://api.dictionaryapi.dev/media/pronunciations/en/ascertain-us.mp3","sourceUrl":"https://commons.wikimedia.org/w/index.php?curid=260340"}],"meanings":[{"partOfSpeech":"verb","definitions":[{"definition":"To find out definitely; to discover or establish.","synonyms":["determine","discover","establish","find out","learn","work out"],"antonyms":[],"example":"As soon as we ascertain what the situation is, we can plan how to proceed."},{"definition":"To make (someone) certain or confident about something; to inform.","synonyms":[],"antonyms":[]},{"definition":"To establish, to prove.","synonyms":[],"antonyms":[]},{"definition":"To ensure or effect.","synonyms":[],"antonyms":[]}],"synonyms":["determine","discover","establish","find out","learn","work out"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/ascertain"]}]