- Continue to engage sb. as a professor emeritus; renew the employment of sb. to be an honorary professor
- Perhaps I could introduce Mr. Lake Kirby, an emeritus professor from Washington University?
- He has honorary doctorates galore.
- I'm the honorary secretary of the association.
- The university conferred an honorary degree on the distinguished journalist.
- He received an honorary degree and numerous tributes.
- He will be awarded the honorary degree in a ceremony at Newcastle University.
- visiting professor; guest professor
- A professor has a fund of knowledge.
- The professor is an acute observer.
- Professor seems in the pink of health.
- The professor was versed in the writings of Shakespeare.