dynastic

from WordNet (r) 3.0 (2006)

dynastic
    adj 1: of or relating to or characteristic of a dynasty

from The Collaborative International Dictionary of English v.0.48

Dynastic \Dy*nas"tic\, a. [Gr. ? of a dynast, fr. ?: cf. F.
   dunastique.]
   Of or relating to a dynasty or line of kings. --Motley.
   [1913 Webster]