prince·ly 
(prĭnslē)
(prĭnslē)adj. prince·li·er, prince·li·est
1. Of or relating to a prince; royal.
2. Befitting a prince, as:
a. Noble: a princely bearing.
b. Munificent; lavish: inherited a princely sum.
princeli·ness n.
princely adv.