reflective

adj

1. That reflects, or redirects back to the source.

   “Mirrors are reflective.”

2. Pondering, especially thinking back on the past.

   “He always becomes reflective in preparation for the new year.”

3. That reveals or shows; revealing; indicative of.

   “Both brides and grooms in native Hawaiian tradition wear flower garlands as a physical manifestation of their love for one another, and to some, the twining of the stems is reflective of two families now becoming one. A more tourist-friendly version established in the past couple of decades involves winding the leis around the couple’s hands to bind them together.”

   “In any event, the incident, and the media attention it attracted, highlights the sensitivity of language politics in Singapore and is reflective of the fact that this sensitivity extends to campus life.”

4. Involving reflection.
5. By means of reflection.

   “In JIT compilation, the running program is reflectively modified by an embedded compiler, which only uses two reflective operations […]”

6. Reciprocal.