distinguished

What it means

1. Celebrated, well-known or eminent because of achievements or rank; prestigious.

   The lecture was attended by many distinguished mathematicians.

   Synonyms: eminent, exceptional, remarkable, bait, fabled, famed, famous, famoused · Antonyms: despised, disrespected, mediocre

2. Having a dignified appearance or demeanor.

   Her father was a distinguished gentleman, albeit a poor one.

   Synonyms: grand, imposing, sophisticated

3. mathematicsSpecified, noted.

   Let X be a topological space with a distinguished point p.

In a sentence

The lecture was attended by many distinguished mathematicians.

Where it comes from

From distinguish + -ed.