gentlemanly

A man of gentle or noble birth or superior social position: "He's too much a gentleman to be a scholar" (Aphra Behn).

A well-mannered and considerate man with high standards of proper behavior. See Usage Note at lady.

A man of independent means who does not need to have a wage-paying job.

A man: Do you know this gentleman?

gentlemen (-mən) Used as a form of address for a group of men.

A manservant; a valet.