(adv.) From office; by virtue, or as a consequence, of an office; officially.

absolute ascendant authoritarian authoritative authorized autocratic clothed with authority commanding competent consequential considerable controlling dominant duly constituted eminent empowered ex cathedra governing great hegemonic hegemonistic imperative important influential leading mighty momentous monocratic official potent powerful preeminent prestigious prominent puissant ranking ruling senior substantial superior supreme totalitarian weighty