Respuesta :

A medieval knightly system with moral, social, & religious code. 
knights, noblemen, and horsemen 
Or the ideal qualities of a knight (Courage, justice, knights, strength, etc)

Definition: the medieval knightly system with its religious, moral, and social code.

Synonyms:knight errantry, courtly manners, knightliness, courtliness, nobility

Etymology:

Middle English: from Old French chevalerie, from medieval Latin caballerius, from late Latin caballarius ‘horseman’