'Purified' in the Bible

Then Paul took the men the next day, and after he had purified himself along with them, he went to the temple and gave notice of the completion of the days of purification, when the sacrifice would be offered for each of them.

which I was doing when they found me in the temple, ritually purified, without a crowd or a disturbance.

Indeed according to the law almost everything was purified with blood, and without the shedding of blood there is no forgiveness.

So it was necessary for the sketches of the things in heaven to be purified with these sacrifices, but the heavenly things themselves required better sacrifices than these.

For otherwise would they not have ceased to be offered, since the worshipers would have been purified once for all and so have no further consciousness of sin?

You have purified your souls by obeying the truth in order to show sincere mutual love. So love one another earnestly from a pure heart.