reflective

/rɪˈflɛktɪv/
adjective
  1. Able to reflect light, especially by shining or sending it back.
    • The reflective surface of the lake mirrored the mountains perfectly.
    • Cyclists wear reflective vests so drivers can see them at night.
    • She bought a reflective umbrella that glows in the dark.
  2. Showing deep thought or careful consideration.
    • Her reflective essay explored the meaning of friendship.
    • He gave a reflective answer, pausing to choose his words carefully.
    • After the movie, they sat in reflective silence, thinking about the story.