emeritus
/ɪˈmɛrɪtəs/; /ˈɛmərɪtəs/Definitions
1. noun
A title of honor conferred on a retired professor, clergyman, or other official, signifying continued association with an institution.
“After 40 years of service, Professor Thompson was awarded the title of Professor Emeritus at the university.”
2. adjective
Retired from active service, but retaining an official connection with an institution.
“As a professor emeritus, Dr. Lee continues to teach occasional courses at the university.”