There was a thoughtful silence on the other end of the line.
There was a thoughtful silence after the two younger men had left.
He looked down at his desk for a moment in thoughtful silence.
She sat in thoughtful silence for several moments, then looked up.
After a while in thoughtful silence, he went to the telephone.
They sat in thoughtful silence for a moment or two.
On either side of the wall there was a long, thoughtful silence.
They regarded each other in thoughtful silence for a moment.
"7 They sat in thoughtful silence a moment, then he added, "You have to do it.
His words were met with thoughtful silence, so he went on.