'Assemble' in the Bible

Then doth Solomon assemble the elders of Israel, and all the heads of the tribes, princes of the fathers of the sons of Israel, unto king Solomon, to Jerusalem, to bring up the ark of the covenant of Jehovah from the city of David -- it is Zion;

Now send out messengers and assemble all Israel before me at Mount Carmel, as well as the 450 prophets of Baal and 400 prophets of Asherah whom Jezebel supports.

Ahab sent messengers to all the Israelites and had the prophets assemble at Mount Carmel.