'Worship' in the Bible

Then David got up from the earth, and after washing and rubbing himself with oil and changing his clothing, he went into the house of the Lord and gave worship: then he went back to his house, and at his order they put food before him and he had a meal.

For while I was living in Geshur in Aram, your servant made an oath, saying, If ever the Lord lets me come back to Jerusalem, I will give him worship in Hebron.

Now when David had come to the top of the slope, where they gave worship to God, Hushai the Archite came to him in great grief with dust on his head: