Monarchical

• (a.) Of or pertaining to a monarch, or to monarchy.
Found on http://thinkexist.com/dictionary/meaning/monarchical/

monarchical

monarchical 1. Of the nature of or having the characteristics of a monarchy; esp. of government, vested in a monarch. 2. Of or pertaining to monarchy; consisting of advocates of monarchy as a form of government. 3. Having the power or functions of a monarch; having undivided rule; autocratic.
Found on http://www.wordinfo.info/words/index/info/view_unit/1329/
No exact match found