Emeritus (adjective)

1. Designating a retired professor, bishop, or other professional who continues to hold the rank or title of their former office as an honor.
2. Having served one's term of office or completed one's work.

Origin:

Late latin, retired, from latin, serving, from emerere to serve out, retire.

Examples:

1. He was awarded the title of Professor Emeritus upon his retirement.
2. The museum dedicated a new wing to its founding director, who is now an emeritus member.
3. The emeritus professor was still active in research.
4. She was an emeritus member of the board of directors.
5. The emeritus dean was recognized for his many years of service.