Possible Clues:

• Degree after an M.A., perhaps
• Prof's degree, often
• Quite a scholar, for short
• Grad sch. goal
• The doctor will tell you how acid deuterium is
• Woodrow Wilson is the only U.S. president to have one
• Grad-school degree
• What an M.A. might go on to earn
• Ultimate degree?
• Professor's deg.