Origin of the Word:
1650s, also impower, from assimilated form of en- (1) + power (n.). Used by Milton, Beaumont, Pope, Jefferson, Macaulay, but the modern popularity dates from 1986. Related: Empowered; empowering.
Authority or power given to someone to do something.
The process of becoming stronger and more confident, especially in controlling one's life and claiming one's rights.
Other useful definitions by Creative, and Game-Changing Thinkers:
"An Essentialist understands that clarity is the key to empowerment. She doesn't allow roles to be general and vague. She ensures that everyone in the team is really clear about what they are expected to contribute and what everyone else is contributing." - Essentialism by Greg Mckeown