
ascertain ●●●○○



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as‧cer‧tain /ˌæsəˈteɪn $ ˌæsər-/  verb [intransitive and transitive]
معلوم کردن، ثابت کردن، معین کردن
▼ ادامه توضیحات دیکشنری؛ پس از بنر تبلیغاتی ▼
Advanced Persian Dictionaryتعیین کردن، محقق کردن، 
حقوقی: تحقیق کردن معلوم کردن
 [TahlilGaran] Persian Dictionary ▲
Synonyms & Related Wordsascertain[verb]Synonyms: find out, confirm, determine, discover, establish, learn 
Contrasted words: assume, presume, conjecture, guess, surmise
Related Words: ask, 
inquire, 
interrogate, 
query, 
question, 
appraise, 
inspect, 
observe, 
survey, 
view, 
consider, 
contemplate, 
study, 
weigh [TahlilGaran] English Synonym Dictionary ▲
 
English Dictionaryas‧cer‧tain /ˌæsəˈteɪn $ ˌæsər-/ 
 verb [intransitive and transitive][
Date: 1500-1600; 
Language: Old French; 
Origin: acertainer, from certain] 
formal to find out something
 Synonym : establish: 
 A postmortem was ordered to try to ascertain the cause of death.ascertain whether/what/how etc
 Tests were conducted to ascertain whether pollution levels have dropped.ascertain that
 Police had ascertained that the dead man knew his killer.ascertain something from somebody/something
 You should ascertain the level of insurance cover from the car rental company.—ascertainable adjective
REGISTERAscertain is used mainly in formal or technical contexts. In everyday English, people usually say 
find out:
 
 We need to find out exactly what happened before we jump to any conclusions.  [TahlilGaran] Dictionary of Contemporary English ▲