ascertain from

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ascertain from

To find out something from examining or observing something or some situation. A noun or pronoun can be used between "ascertain" and "from." I ascertained a lot about my daughter's new boyfriend from our first dinner together. What were you able to ascertain from the article?
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

ascertain something from someone or something

to find out or learn with certainty information from someone or something. I need to ascertain some facts from you. A few facts have been ascertained from the interview.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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References in periodicals archive ?
As such, White's status as a nominal party who did not count for purposes of complete diversity could have been ascertained from the complaint itself.