'Fulfill' in the Bible

So Jesus replied to him, "Let it happen now, for it is right for us to fulfill all righteousness." Then John yielded to him.

"Do not think that I have come to abolish the law or the prophets. I have not come to abolish these things but to fulfill them.

"Again, you have heard that it was said to an older generation, 'Do not break an oath, but fulfill your vows to the Lord.'

This took place to fulfill what was spoken by the prophet: