D defs.my
Entry 1 sense Webster, 1913

Deportment

/dəp-ôr'-tmənt/ · De·port·ment · IPA /dɪˈpɔɹt.mənt/
01 n. Manner of deporting or demeaning one's self; manner of acting; conduct; carriage; especially, manner of acting with respect to the courtesi…
  1. 1.
    Manner of deporting or demeaning one's self; manner of acting; conduct; carriage; 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.