distinguished
v.v. successful, respected, and admired by many people. You use this to describe someone who has done great work in their career for a long time.
v. marked by conspicuous excellence, dignity, or eminence. Frequently used to describe individuals with a long and respected career in academia, politics, or the arts.
He is a distinguished professor at the university.
The ceremony honored several distinguished guests who had spent decades working in international diplomacy.
Her distinguished career in medical research culminated in a prestigious award that recognized her lifelong commitment to public health and scientific integrity.
From distinguish + -ed.
Typically used as an attributive adjective before a noun; can also describe physical appearance, implying a dignified or elegant look.