'Forming' in the Bible

Early in the morning, after forming a plan, the chief priests with the elders and the experts in the law and the whole Sanhedrin tied Jesus up, led him away, and handed him over to Pilate.

But the Jews were filled with jealousy and, taking along some worthless men from the rabble in the marketplace and forming a mob, threw the city into an uproar. And attacking Jason's house, they were looking for them to bring [them] out to the popular assembly.

and going on board a ship of Adramyttium which was about to sail to the ports of the province of Asia, we put to sea; Aristarchus, the Macedonian, from Thessalonica, forming one of our party.