Mused

He sat silently and mused about his future plans.

He often mused about his future while doodling in his notebook.

The lawyer mused over the legal ramifications of the case.

"The professor mused over the complexities of the theory."

He often mused about the fragility of life and the inevitability of death.

She sat quietly and mused on the events of the day.

She often mused about the meaning of life and the purpose of human existence.

The marketer mused over the messaging and target audience of the campaign.