Answer: regnant

AnswerCrossword Clue
REGNANTOn the throne
REGNANTRuling
REGNANTRuling.
REGNANTExercising sway.
REGNANTWidespread
REGNANTPredominant, as a ruler
regnantreigning; ruling (usually used following the noun it modifies)
regnantprevalent; widespread.
regnantprevalent; widespread
regnantreigning
regnantexercising authority, rule, or influence