Sentence:  I feel my age and supposed status mean I am permanently required to be in <WSD>presidential</WSD> mode. And I mean this in the old sense of “presidential”, meaning magnanimous, patient and generous, rather than in the modern sense of presidential, meaning being a corrupt, pussy-grabbing racist. 
Meaning of the word marked with <WSD> tags:  With the bearing or composure that befits a president; stately, dignified. (from 19th c.)