powerful

powerful is an   Adverb

Definition:

[1] Full of power; capable of producing great effects of any kind; potent; mighty; efficacious; intense; as, a powerful man or beast; a powerful engine; a powerful argument; a powerful light; a powerful vessel. The powerful grace that lies In herbs, plants, stones, and their true qualities. Shak.

[2] Large; capacious; -- said of veins of ore.

Synonyms: