Mused

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

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

He mused at the funny joke his friend told him.

He mused at the antics of the playful children in the park.

She mused over the amusing prank her friends played on her.

The poet mused over the metaphors and symbols in her poem.

The poet mused over the words that would convey his emotions.