decorous (adj)

characterized by propriety and dignity and good taste in manners and conduct

"the tete-a-tete was decorous in the extreme"

becoming, comely, comme il faut, decent, decorous, seemly (adj)

according with custom or propriety

"her becoming modesty"; "comely behavior"; "it is not comme il faut for a gentleman to be constantly asking for money"; "a decent burial"; "seemly behavior"

decorous (Adjective)

Marked by proper behavior.

decorous

Decorum (from the Latin: "right, proper") was a principle of classical rhetoric, poetry and theatrical theory concerning the fitness or otherwise of a style to a theatrical subject. The concept of decorum is also applied to prescribed limits of appropriate social behavior within set situations.