Mused

The detective mused over the clues at the crime scene.

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

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

She often mused about the paradox of love and hate.

He often mused about the entertaining anecdotes his colleague shared with him.

She mused at the ridiculous costumes in the carnival parade.

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