Dic: synonyms: bearing, manner, demeanor, mien, presence

These nouns pertain to a person's behavior as it reveals such distinctive personal qualities as his or her individuality or upbringing.

■ Bearing, the most inclusive, applies to both physical posture and general conduct:

• “That is Claudio. I know him by his bearing”  (Shakespeare).

■ Manner  is a person's characteristic conduct or comportment:

• their arrogant, overbearing manner.

■ Demeanor is behavior that reveals to others one's personality or attitude:

• “The President's outward demeanor was genial and relaxed”  (Edmund S. Muskie).

■ Mien pertains to bearing especially as it reflects an inner state of mind:

• She maintained her serious mien until the interview was over.

■ Presence denotes the quality of commanding respectful attention:

• “Sir Thomas More was a man of stately and handsome presence”  (Horace Walpole).

.... The American Heritage