court·ly 
(kôrtlē)
(kôrtlē)adj. court·li·er, court·li·est
1. Suitable for a royal court; stately: courtly furniture and pictures.
2. Elegant; refined: courtly manners.
3. Flattering in an insincere way; obsequious.
adv.
In a courtly manner; elegantly or politely.
courtli·ness n.