I thought he was pondering what I said until he spoke up.
Edith hesitated, as if pondering her answer.
They all sat pondering the strange events.
She stepped into the dairy, leaving him pondering over one of the goats.
If Ed could actually talk, she wouldn't be spending so much time pondering about Alex.
Well, I know what you're talking about, but I don't remember pondering it as a child.
She chewed her lip, pondering the change.
So the text "the myrmekoleon bath perished for that he had no nourishment" set them pondering, and others reproduced their meditations, with the following result: "The Physiologus relates about the ant-lion: his father hath the shape of a lion, his mother that of an ant; the father liveth upon flesh, and the mother upon herbs.
Great numbers of monks, each in solitary cell, spent lonely lives, scorched by the sun, ill-clad and scantily fed, pondering on portions of Scripture or copying MSS.
Whilst pondering on the course he should follow, the marshal received the news of the awful disaster that had overtaken the emperor at Waterloo.
By reflection on dreams, in which the self, or " spirit," of the savage seems to wander free from the bounds of time and space, to see things remote, and to meet and recognize dead friends or foes; by speculation on the experiences of trance and of phantasms of the dead or living, beheld with waking eyes; by pondering on the phenomena of shadows, of breath, of death and life, the savage evolved the idea of a separable soul or spirit capable of surviving bodily death.
Because the major technological advances occurring in those eras were related to transportation, that's what they thought of when pondering technological advance.
He had begun to think of the last station and was still pondering on the same question--one so important that he took no notice of what went on around him.