deportment deportment /dəˈpɔrtmənt/

noun

1. (behavioral attributes) the way a person behaves toward other people  ( behaviour [Canadian, British] , demeanour [Canadian, British] , deportment , behavior [American] , conduct , demeanor [American] )
   (behavioral attributes) the way a person behaves toward other people
     His behavior at the party was inappropriate and disrespectful.
   His behavior at the party was inappropriate and disrespectful.