The word "power" refers to having control, influence, or ability to do or achieve something. It can be physical strength, authority, or the energy to make things happen. Full definition
The other is the broader question of the court's interpretation of constitutional powers of the federal and provincial governments. (macleans.ca)
Atheists are those people that, given the divine origin of that which does not exist, are perhaps in power of not believing in that which does not exist but must. (religion.blogs.cnn.com)
All the four doors are integrated with power windows for the convenience of all the occupants whereas the driver side window has an auto one - touch up / down switch. (cardekho.com)