superpower

Short definition from Wiktionary

Noun

1. 1
   A sovereign state with dominant status on the globe and a very advanced military, especially the United States or formerly the Soviet Union.
2. 2
   An extraordinary physical or mental ability, especially possessed by a superhero or supervillain.
3. 3
   Electricity generated in a large plant that is tied into a regional network, on a larger scale than was common in the early years of commercial electricity production.
4. 4
   A tetration.
5. 5
   Excessive or superior power.

Verb

1. 1
   To give extraordinary powers to.