Strong G4601 σιγάω sigaō · be silent

Luke

1. Luke 9:36
   And when the voice was past, Jesus was found alone. And they kept it close, and told no man in those days any of those things which they had seen.
2. Luke 20:26
   And they could not take hold of his words before the people: and they marvelled at his answer, and held their peace.