'Assembled' in the Bible

Now I assembled them at the river that runs to Ahava, where we camped for three days; and when I observed the people and the priests, I did not find any Levites there.

So all the men of Judah and Benjamin assembled at Jerusalem within the three days. It was the ninth month on the twentieth of the month, and all the people sat in the open square before the house of God, trembling because of this matter and the heavy rain.