Definitions of power:

• noun:   possession of controlling influence

  Example: "The deterrent power of nuclear weapons"

• noun:   one possessing or exercising power or influence or authority

  Example: "The mysterious presence of an evil power"

• noun:   (physics) the rate of doing work; measured in watts (= joules/second)
• noun:   possession of the qualities (especially mental qualities) required to do something or get something done

  Example: "Danger heightened his powers of discrimination"

• noun:   a mathematical notation indicating the number of times a quantity is multiplied by itself
• noun:   (of a government or government official) holding an office means being in power

  Example: "During his first year in power"

• noun:   physical strength
• noun:   a state powerful enough to influence events throughout the world
• noun:   a very wealthy or powerful businessman
• verb:   supply the force or power for the functioning of

  Example: "The gasoline powers the engines"

• name:  A surname (common: 1 in 20000 families; popularity rank in the U.S.: #2665)