Powerful
/ˈpaʊəfl/
adjective
Having, or capable of exerting power, potency or influence.
Large; capacious; said of veins of ore.
Synonyms: forceful, mightful, mighty, powersome, strengthful, strong
adverb
To a great extent or degree.
“Not very many (of them) had been damaged.”
Conforming to fact, reality or rule; true.
(with superlatives) Used to firmly establish that nothing else surpasses in some respect.
“He was the very best runner there.”
Synonyms: eminently, ever so, main, mighty, sore, swith, way too, actually