chiv·al·ry 
(shĭvəl-rē)
(shĭvəl-rē)n. pl. chiv·al·ries
1. The medieval system, principles, and customs of knighthood.
2.
a. The qualities idealized by knighthood, such as bravery, courtesy, honor, and gallantry toward women.
b. A manifestation of any of these qualities.
3. A group of knights or gallant gentlemen.
[Middle English chivalrie, from Old French chevalerie, from chevalier, knight; see CHEVALIER.]