Mused

He sat silently and mused about his future plans.

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

He mused about the mysteries of the ocean while scuba diving.

He mused about his past mistakes while sitting on the beach.

She mused about the different possibilities that the future held.

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

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