1. Demeanor; facial expression or attitude, especially one which is intended by its bearer.
…McDonough is the picture of rectitude: the ramrod posture, the trimmed white hair, the ashen mien of a bishop who has missed two meals in a row. “I guess if you keep repeating it, it’s like a mantra, and it will be O.K. ‘Everything will be O.K., everything will be O.K.’ ”