honorably retired from assigned duties and retaining your title along with the additional title `emeritus' as in `professor emeritus'; `retired from assigned duties' need not imply that one is inactive
A term applied to the Vice-Chancellor, Professors, Readers, and holders of certain other senior positions, who have retired after the age of sixty. In Cambridge the term is not conferred as an individual mark of distinction (although there is provision for appointment of Honorary Professors).
when applied to Professor, Reader or Fellow, means that the person has retired from that post.
retired, but with an honorary title such as “professor emeritus
Emeritus (IPA pronunciation: or ) is an adjective that is used in the title of a retired professor, bishop or other professional. Emerita (IPA pronunciation: ) was used for women, but is rarely used today. The term is used when a person of importance in a given profession retires, so that his or her former rank can still be used in his or her title.