ascertain ●●●○○
تلفظ آنلاین

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ascertain /ˌæsəˈteɪn $ ˌæsər-/ verb [intransitive and transitive]

معلوم کردن ، ثابت کردن ، معین کردن
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

ascertain /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

Ascertain 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

TahlilGaran Online Dictionary ver 14.0
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TahlilGaran : دیکشنری آنلاین تحلیلگران (معنی ascertain) | علیرضا معتمد , دیکشنری تحلیلگران , وب اپلیکیشن , تحلیلگران , دیکشنری , آنلاین , آیفون , IOS , آموزش مجازی 4.20 : 2175
4.20دیکشنری آنلاین تحلیلگران (معنی ascertain)
دیکشنری تحلیلگران (وب اپلیکیشن، ویژه کاربران آیفون، IOS) | دیکشنری آنلاین تحلیلگران (معنی ascertain) | موسس و مدیر مسئول :