Powerful may refer to: HMS Powerful, four ship and two training establishments of the Royal Navy. Powerful-class cruiser, a class of two Royal Navy protected cruisers. Haakon Sigurdsson (c. 937–995), de facto ruler of Norway from about 975 to 995, sometimes called Haakon the Powerful. Powerful (song), a 2015 song by Major Lazer. See also. Dynatoi (English: "powerful"), a Byzantine Empire legal term for the senior levels of civil, military and ecclesiastic officialdom.
https://en.wikipedia.org/wiki/Powerful