under the impression

1. Thinking, assuming, or believing something, as in I was under the impression that they were coming today. This idiom often suggests that the idea or belief one had is mistaken. [Mid-1800s]

Example Sentences

Her family was under the impression she was studying dressmaking and following in the steps of her family.

From Los Angeles Times

He says a formal offer was submitted by another Premier League club and he was "under the impression, from all my conversations with Brentford, that there was a mutual agreement to part ways".

From BBC

That must have pleased Kittle, who when under the impression that AIs were banned completely, grabbed a microphone on an NFL Network broadcast to say, “I honestly just came up here to air a grievance. Our team got a memo today that smelling salts and ammonia packets were made illegal in the NFL, and I’ve been distraught all day.”

From Los Angeles Times

“But no one voted to deport moms. We were all under the impression we were just getting rid of the gangs, the people who came here in droves.”

From Slate

Mr Gale said he was under the impression this was for the whole family but he now believes the Home Office only saw this as a report for the parents.

From BBC