Energy
3 - a fundamental entity of nature that is transferred between parts of a system in the production of physical change within the system and usually regarded as the capacity for doing work
Emotion
2 - a : the affective aspect of consciousness : feeling
b : a state of feeling
c : a conscious mental reaction (such as anger or fear) subjectively experienced as strong feeling usually directed toward a specific object and typically accompanied by physiological and behavioral changes in the body
Power
6 - a : a source or means of supplying energy; especially : electricity
b : motive power
c : the time rate at which work is done or energy emitted or transferred