New Revised Standard Version
When he did come out, he could not speak to them, and they realized that he had seen a vision in the sanctuary. He kept motioning to them and remained unable to speak.

Contemporary English Version
When he did come out, he could not speak, and they knew he had seen a vision. He motioned to them with his hands, but did not say a thing.

New American Bible
But when he came out, he was unable to speak to them, and they realized that he had seen a vision in the sanctuary. He was gesturing to them but remained mute.

Douay-Rheims Bible
And when he came out, he could not speak to them: and they understood that he had seen a vision in the temple. And he made signs to them and remained dumb.

And when he came out, he could not speak to them: and they understood that he had seen a vision in the temple. And he made signs to them and remained dumb.

for.

John 13:24 Simon Peter therefore beckoned to him and said to him: Who is it of whom he speaketh?

Acts 12:17 But he, beckoning to them with his hand to hold their peace, told how the Lord had brought him out of prison. And he said: Tell these things to James and to the brethren. And going out, he went into another place.

Acts 19:33 And they drew forth Alexander out of the multitude, the Jews thrusting him forward. And Alexander, beckoning with his hand for silence, would have given the people satisfaction,

Acts 21:40 And when he had given him leave, Paul standing on the stairs, beckoned with his hand to the people. And a great silence being made, he spoke unto them in the Hebrew tongue, saying: