'Motioning' in the Bible

But motioning to them with [his] hand to be silent, he related to them how the Lord had brought him out of the prison. And he said, "Report these [things] to James and to the brothers," and he departed [and] went to another place.

So Paul stood up, and motioning with [his] hand, he said, "Israelite men, and those who fear God, listen!

And [some] of the crowd advised Alexander, [when] the Jews put him forward. But Alexander, motioning [with his] hand, was wanting to defend himself to the popular assembly.