Reflective (adjective)

1. Showing or characterized by deep thought.
2. Showing or giving back an image or light.
3. Able to reflect light or heat.

Origin:

From reflect meaning "to think about something carefull.y"

Examples:

1. The professor's reflective approach to teaching made students think critically.
2. A reflective surface, like a mirror, can show a reflection.
3. The reflective clothing made the runner visible at night.
4. His reflective essay on the experience was insightful.
5. The reflective material on the road signs helps drivers see them at night.