'Mighty' in the Bible

Many will say to me in that day, Lord, lord, have we not in thy name prophesied? and in thy name cast out demons? and in thy name done many mighty things?

Then began he to reproach the cities in which were done most of his mighty works, because they did not reform.

'Woe to thee, Chorazin! woe to thee, Bethsaida! because, if in Tyre and Sidon had been done the mighty works that were done in you, long ago in sackcloth and ashes they had reformed;

'And thou, Capernaum, which unto the heaven wast exalted, unto hades shalt be brought down, because if in Sodom had been done the mighty works that were done in thee, it had remained unto this day;

and having come to his own country, he was teaching them in their synagogue, so that they were astonished, and were saying, 'Whence to this one this wisdom and the mighty works?

and he did not there many mighty works, because of their unbelief.

and said to his servants, 'This is John the Baptist, he did rise from the dead, and because of this the mighty energies are working in him.'