Webster's English Dictionary

gentleman

gen.tle.man \'jent-*l-m*n\ n often attrib  1a: a man of noble or gentle 
   birth  1b: a man belonging to the gentry (sense 2b)  1c1: a man who 
   combines gentle birth or rank with chivalrous qualities  1c2: a man whose 
   conduct conforms to a high standard of propriety or correc t behavior 1d1: 
   a man of independent means who does not engage in any occupation or pr 
   ofession for gain 1d2: a man who does not engage in any menial occupation 
   or in manual labor  for gain 2: VALET - often used in the phrase 
   gentleman's gentleman  3: a man of any social class or condition