Knighthood

n.	1.	The character, dignity, or condition of a knight, or of knights as a class; hence, chivalry. If you needs must write, write Cæsar's praise; You 'll gain at least a knighthood, or the bays. - Pope.
	2.	The whole body of knights. The knighthood nowadays are nothing like the knighthood of old time. - Chapman.

Noun

1.

knighthood - aristocrats holding the rank of knight

arms, art of war, baronetcy, barony, chivalry, dukedom, earldom, generalship, kingship, knight-errantship, ladyship, lordship, marquisate, pashadom, princedom, princeship, queenship, seignioralty, seigniory, viscountcy, viscountship, viscounty, war