A person, divinity, or authoritative text which decides.
A Turing machine that halts regardless of its input.
An event or action which decides the outcome of a contested matter.
Anyone with overarching power or authority in a given domain.
A ruler of other rulers.
A feudal lord directly owed rent or personal service by a tenant of subinfeudated land, a tenant's liege lord.
To rule over; to domineer.