'Lawful' in the Bible

But the Pharisees, when they saw it, said to him, "Behold, your disciples do what is not lawful to do on the Sabbath."

how he entered into the house of God, and ate the show bread, which was not lawful for him to eat, neither for those who were with him, but only for the priests?

And behold there was a man with a withered hand. They asked him, "Is it lawful to heal on the Sabbath day?" that they might accuse him.

Of how much more value then is a man than a sheep! Therefore it is lawful to do good on the Sabbath day."

For John said to him, "It is not lawful for you to have her."

Pharisees came to him, testing him, and saying, "Is it lawful for a man to divorce his wife for any reason?"

Isn't it lawful for me to do what I want to with what I own? Or is your eye evil, because I am good?'

Tell us therefore, what do you think? Is it lawful to pay taxes to Caesar, or not?"

The chief priests took the pieces of silver, and said, "It's not lawful to put them into the treasury, since it is the price of blood."