What is another word for

known

Name: Working with Strategically has been an amazing experience. They are professional, hard-working, and extremely dedicated. I wouldn’t hesitate to recommend.
Item: Strategically Digital Marketing Ltd
Rating: 5
Author: WebsitePlanet

known as in apprehended with certainty

"a known quantity"
"the limits of the known world"
"a musician known throughout the world"
"a known criminal"