'Baptism' in the Bible

Beginning from the baptism of John, unto that same day that he was taken up from us, must one be ordained to be a witness with us of his resurrection.

That word, I say, ye know, which was published throughout all Judaea, and began from Galilee, after the baptism which John preached;

When John had first preached before his coming the baptism of repentance to all the people of Israel.

This man was instructed in the way of the Lord; and being fervent in the spirit, he spake and taught diligently the things of the Lord, knowing only the baptism of John.

And he said unto them, Unto what then were ye baptized? And they said, Unto John's baptism.

Then said Paul, John verily baptized with the baptism of repentance, saying unto the people, that they should believe on him which should come after him, that is, on Christ Jesus.