Possible Clues:

• Retired title of Susan holding up order inside
• See 23
• Part of an academic title
• Honored academic retiree
• Use remit for retained title of retired professional
• Girl keeps watch perhaps when this retired don returns
• Keeping rank, retired, and suit REME organisation
• He's kept on to give him time to muse about his career
• Like many a professor
• With hon. title in retirement