'Able' in the Bible

With many such parables he spoke the word to them, as they were able to hear it.

and wherever it seizes him, it throws him down, and he foams at the mouth, and grinds his teeth, and wastes away. I asked your disciples to cast it out, and they weren't able."

But Jesus said, "Don't forbid him, for there is no one who will do a mighty work in my name, and be able quickly to speak evil of me.

But Jesus said to them, "You don't know what you are asking. Are you able to drink the cup that I drink, and to be baptized with the baptism that I am baptized with?"

They said to him, "We are able." Jesus said to them, "You shall indeed drink the cup that I drink, and you shall be baptized with the baptism that I am baptized with;