Synonyms of the word

potentate

• n. A powerful leader; a monarch; a ruler.
• n. A powerful polity or institution.
• n. (derogatory) A self-important person.
• adj. (obsolete) Regnant, powerful, dominant.

dictator

• n. A totalitarian leader of a country, nation, or government.
• n. Originally, a magistrate without colleague in republican ancient Rome, who held full executive authority…
• n. A tyrannical boss, or authority figure.
• n. A person who dictates text (e.g. letters to a clerk).
• n. A ruler or Führer, the highest level of authority.

ruler

• n. A (usually rigid), flat, rectangular measuring or drawing device with graduations in units of measurement;…
• n. A person who rules or governs; a person who exercises dominion or controlling power over others.
• v. (transitive) To beat with a ruler (as a traditional school punishment).

swayer

• n. One who or that which sways something.