13 letters · 20 points in Scrabble
adjective relating to or having the nature of a parliament
adjective having the supreme legislative power resting with a body of cabinet ministers chosen from and responsible to the legislature or parliament
adjective in accord with rules and customs of a legislative or deliberative assembly
originEtymology tree English parliament Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusder. Middle English -arie English -ary English parliamentary From parliament + -ary.
Etymology from Wiktionary, CC BY-SA 3.0