Gentleman n. : A man well born; one of good family; one above the condition of a yeoman.

Gentleman n. : One of gentle or refined manners; a well-bred man.

Gentleman n. : One who bears arms, but has no title.

Gentleman n. : The servant of a man of rank.

Gentleman n. : A man, irrespective of condition; -- used esp. in the plural (= citizens; people), in addressing men in popular assemblies, etc.

Example:
What were the Characteristics of a Gentleman in the Victorian Era?

Taxonomy
gentleman, coat of arms, rank, gentlemen in England, the French, Confucianism, arms, gentry, gentilman, birth, blood, distinction, prefix, English names, Ladies and Gentlemen, free encyclopedia, Sir Charles, right to bear arms.

Defination from the web:
gentleman (from Latin gentilis, belonging to a race or "gens", and "man", cognate with the French word gentilhomme, the Spanish ... To a degree, "gentleman" signified a man with an income derived from property, a legacy or some other source, and was thus independently ...