I love this description of what a gentleman is:  ”merely a cultured, self respecting, considerate intellectual who was seeking to perpetually improve himself and understand the human condition through introspection and learning, while appreciating what they considered to be the finer things in life and helping others whenever possible, deeply connected to the spirit of adventure that has historically driven our species to mountaintops and outer space, across deserts of water and sand, unleashing an inexhaustible passion in search of meaning.” 

http://www.theruggedgent.com/2011/02/27/what-is-a-gentleman-2/