Pondering

Tom was probably pondering something.

Futurologists have fun pondering about what is to come.

I left Holmes seated in front of the smouldering fire, and long into the watches of the night I heard the low, melancholy wailings of his violin, and knew that he was still pondering over the strange problem which he had set himself to unravel.

But good AEneas, pondering through the night / distracting thoughts and many an anxious care, / resolved, when daybreak brought the gladsome light, / to search the coast, and back sure tidings bear, / what land was this, what habitants were there, / if man or beast, for, far as the eye could rove, / a wilderness the region seemed, and bare.

Mary woke up knowing the perfect translation for the sentence she had been pondering the previous evening.

Tom just stood there, pondering what might happen next.

For a long time, I stood there pondering what to do.

I read the article "Mathematico-Physical Understanding of the Supernatural Potential and Creation of Parallel Universes of the Energy of Consciousness in Life Forms" about the Korean Changsoo Shin's pondering of a mathematical model of the creation of the universe by a supernatural potential.

Jude continued his walk homeward alone, pondering so deeply that he forgot to feel timid.

Igor was pondering his own fate.