Source : Webster's Revised Unabridged Dictionary (1913)

Royalist \Roy"al*ist\, n. [Cf. F. royaliste.]
   An adherent of a king (as of Charles I. in England, or of the
   Bourbons in france); one attached to monarchical government.

         Where Ca'ndish fought, the Royalists prevailed.
                                                  --Waller.

Source : WordNet®

royalist
     n : an advocate of the principles of monarchy [syn: {monarchist}]