courtliness       
noun [ U ] uk/ˈkɔːt.li.nəs/ us/ˈkɔːrt.li.nəs/
 有礼貌,有教养,举止正规
polite and formal behaviour
  He combined courtliness with an explosive sense of humor. 他将礼貌举止与极度的幽默感结合在一起。 
 She loves men who treat her with courtliness. 她喜欢对自己礼貌有加的男人。 
 See: courtly
 - More examples
 - He is polite almost to the point of courtliness.
 - The actions of the Emperor and his court were governed by a rigid code of courtliness.
 - The company ethos was one of courtliness and civic duty.