Ruling
Part of speech: adjective
Definition: That rules or rule.
Part of speech: noun
Definition: An order or a decision on a point of law from someone in authority.
Part of speech: verb
Definition: To regulate, be in charge of, make decisions for, reign over.
Example sentence: The ruling ideas of each age have ever been the ideas of its ruling class.
Regnant
Part of speech: adjective
Definition: reigning; currently holding power in governmentdominant; holding more power or influence than others