ascertain from

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.

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.
See also:
  • add in
  • a/the feel of (something)
  • all right
  • (I) wouldn't (do something) if I were you
  • a straw will show which way the wind blows
  • a crack at (someone or something)
  • (you) wanna make something of it?
  • all for the best
  • a thing of the past
  • a slew of (something)
References in classic literature
"Your probity," replied the stranger, "is so well known to the prefect that he wishes as a magistrate to ascertain from you some particulars connected with the public safety, to ascertain which I am deputed to see you.
When an islander bound on some expedition rises from his couch in the morning, he is never solicitous to peep out and see how the sky looks, or ascertain from what quarter the wind blows.
Usually the Lands Office accepts the actual sales price, but approximately 20 per cent of values are disputed by the Lands Office if it can ascertain from its own records that the market value at the time is different.
According to a travel advisory issued by the ministry all Indian citizens travelling to China have been advised that before making any travel arrangements, they should ascertain from the Chinese Embassy whether their visas will be affixed to their passport or they will be stapled paper visas.
"All Indian citizens intending to travel to the People's Republic of China are advised that before making any travel arrangements they should first ascertain from the Chinese Embassy or Consulate, as the case may be, whether the visa being issued to them will be affixed to the passport or will be in the nature of a stapled paper visa, so that they are not inconvenienced or put to any financial loss later on this count," the MEA advisory stated.
The 1994 yellow book says working papers must be sufficient to enable an experienced auditor with no previous connection with an audit to ascertain from them the evidence supporting the auditor's significant conclusions and judgments.