sacrifice.

1 Samuel 16:2
"How can I go?" Samuel asked. "Saul will hear of it and kill me!" The LORD answered, "Take a heifer with you and say, 'I have come to sacrifice to the LORD.'

Genesis 31:54
Then Jacob offered a sacrifice on the mountain and invited his kinsmen to eat a meal. And after they had eaten, they spent the night on the mountain.

Deuteronomy 12:6, 7
To that place you are to bring your burnt offerings and sacrifices, your tithes and heave offerings, your vow offerings and freewill offerings, as well as the firstborn of your herds and flocks. . . .

1 Corinthians 5:7, 8
Get rid of the old yeast, that you may be a new unleavened batch, as you really are. For Christ, our Passover lamb, has been sacrificed. . . .

the high place

1 Kings 3:2-4
The people, however, were still sacrificing on the high places because a house for the Name of the LORD had not yet been built. . . .

1 Chronicles 16:39
And David left Zadok the priest and his fellow priests before the tabernacle of the LORD at the high place in Gibeon