One who is empowered.
"The newly elected council members felt empowered to make bold decisions for their community without waiting for approval from higher up."
simple past tense and past participle of empower
"After the new policy was implemented, every employee felt empowered to make decisions without seeking approval from management."
Having been given the power to make choices relevant to one's situation.
"After her manager let her decide how to prioritize client projects, she felt truly empowered to solve problems without constant approval."