Wordnet polsko-angielski 
                         (ruled by or having the supreme power resting with a monarch
"monarchal government"
"monarchical systems") 
monarchal, monarchical, monarchic 
Słownik polsko-angielski EXETER Copyright © http://www.kastor.strefa.pl.
                        monarchical
Otwarty słownik polsko-angielski V.9.2007, Copyright (c) Jerzy Kazojć - 2007 r.
                        monarchic
Nowoczesny słownik polsko-angielski 
                        royal