Befitting a man of good breeding:
— Gentlemanly behavior.

synoniem: gentlemanlike.

Roget 852: fashionable; in fashion etc. n.; a la mode, comme il faut [Fr.]; admitted in society, admissible in society etc. n.; presentable; conventional etc. (customary) 613; genteel; well-bred, well mannered, well behaved, well spoken; gentlemanlike^†, gentlemanly; ladylike; civil, polite etc. (courteous) 894.    polished, refined, thoroughbred, courtly; distingue [Fr.]; unembarrassed, degage [Fr.]; janty^†, jaunty; dashing, fast.    modish, stylish, chic, trendy, recherche; newfangled etc. (unfamiliar) 83; all the rage, all the go^†; with it, in, faddish.    in court, in full dress, in evening dress; en grande tenue [Fr.] etc. (ornament) 847.    ... meer laten zien