SuaviloquyToday’s word

deportment

Deportment, n.

Etymology: [F. déportement misconduct, OF., demeanor. See Deport.]

Manner of deporting or demeaning one's self; manner of acting; conduct; carrige; especially, manner of acting with respect to the courtesies and duties of life; behavior; demeanor; bearing. The gravity of his deportment carried him safe through many difficulties. Swift.

Shades of meaning

Fernald has no entry of its own for deportment; he lists it under behavior.

Where he writes about it:

Deportment is behavior as related to a set of rules; as, the pupil's deportment was faultless. — from behavior