'Able' in the Bible

One day there came a leper to Jesus entreating Him, and pleading on his knees. "If you are willing," he said, "you are able to cleanse me."

"You should not have tried to hinder him," replied Jesus, "for there is no one who will use my name to perform a miracle and be able the next minute to speak evil of me.

"You know not," said He, "what you are asking. Are you able to drink out of the cup from which I am to drink, or to be baptized with the baptism with which I am to be baptized?"

"We are able," they replied. "Out of the cup," said Jesus, "from which I am to drink you shall drink, and with the baptism with which I am to be baptized you shall be baptized;