From the Oxford Dictionaries:  ”make (someone) stronger and more confident, especially in controlling their life and claiming their rights…”

On Self-empowerment:

“First say to yourself what you would be; and then do what you have to do.”

Epictetus

On Organizational Empowerment:

Empowerment is based on the idea that giving employees skills, resources, authority, opportunity, motivation, as well holding them responsible and accountable for outcomes of their actions, will contribute to their competence and satisfaction.