'Purify' in the Bible

and when they come from the market place, they do not eat unless they cleanse themselves [completely according to ritual]; and there are many other things [oral, man-made laws and traditions handed down to them] which they follow diligently, such as the washing of cups and pitchers and copper utensils.)

And the Jews' passover was nigh at hand: and many went out of the country up to Jerusalem before the passover, to purify themselves.

Sanctify them in the truth [set them apart for Your purposes, make them holy]; Your word is truth.

Them take, and purify thyself with them, and be at charges with them, that they may shave their heads: and all may know that those things, whereof they were informed concerning thee, are nothing; but that thou thyself also walkest orderly, and keepest the law.

Having therefore these promises, beloved, let us purify ourselves from every pollution of flesh and spirit, perfecting holiness in God's fear.

Who gave himself for us, that he might redeem us from all iniquity, and purify unto himself a peculiar people, zealous of good works.

how much more shall the blood of the Christ (who through the age-during Spirit did offer himself unblemished to God) purify your conscience from dead works to serve the living God?

Therefore Jesus also suffered and died outside the [city] gate so that He might sanctify and set apart for God as holy the people [who believe] through [the shedding of] His own blood.

Draw nigh to God, and he will draw nigh to you. Cleanse your hands, ye sinners; and purify your hearts, ye double minded.

and every one who is having this hope on him, doth purify himself, even as he is pure.