1) Almost princely 2) Cigarette brand 3) Fit for a nobleman 4) French word used in English 5) Like a nobleman 6) Lord 7) Noble 8) Nobleman 9) Of a certain noble rank 10) Of a minor domain 11) Of a nobleman 12) Of a rank below prince 13) Of a rank of nobility 14) Of a royal domain 15) Of a titled person 
• (a.) Of or pertaining to a duke.
Du'cal adjective [ French ducal . See Duke .] Of or pertaining to a duke. « His ducal cap was to be exchanged for a kingly crown.» Motley. 
[adj] - of or belonging to or suitable for a duke
ducal Belonging to, relating to, or like a duke or dukedom. Via French, ultimately from Latin duc-, the stem of dux, “leader”.
adjective of or belonging to or suitable for a duke; `ducal palace`
of or pertaining to a duke or dukedom.
of or belonging to or suitable for a duke