1 Chronicles 15:14

So the priests and the Levites sanctified themselves to bring up the ark of the LORD God of Israel.

Leviticus 10:3

Then Moses said unto Aaron, This is what the LORD spoke, saying, I will be sanctified in those that come near me, and before all the people I will be glorified. And Aaron was silent.

2 Chronicles 29:15

And they gathered their brethren and sanctified themselves and entered in, according to the commandment of the king, by the words of the LORD, to cleanse the house of the LORD.

2 Chronicles 29:34

But the priests were too few so that they could not flay all the burnt offerings; therefore, their brethren, the Levites, helped them until the work was ended and until the other priests had sanctified themselves, for the Levites were more upright in heart to sanctify themselves than the priests.

Joel 2:16-17

gather the people, sanctify the meeting, assemble the elders, gather the children and those that suck the breasts; let the bridegroom go forth of his chamber and the bride out of her closet.

Treasury of Scripture Knowledge

Summary

So the priests and the Levites sanctified themselves to bring up the ark of the LORD God of Israel.

Bible References

Sanctified

Leviticus 10:3
Then Moses said unto Aaron, This is what the LORD spoke, saying, I will be sanctified in those that come near me, and before all the people I will be glorified. And Aaron was silent.
2 Chronicles 29:15
And they gathered their brethren and sanctified themselves and entered in, according to the commandment of the king, by the words of the LORD, to cleanse the house of the LORD.
Joel 2:16
gather the people, sanctify the meeting, assemble the elders, gather the children and those that suck the breasts; let the bridegroom go forth of his chamber and the bride out of her closet.