Reciprocal.
Involving reflection.
That reveals or shows; revealing; indicative of.
That reflects, or redirects back to the source.
Pondering, especially thinking back on the past.
Rational; reasonable; sensible.
Being in a healthy condition; not deranged; thinking rationally.
Mentally sound; possessing a rational mind; having the mental faculties in such condition as to be able to anticipate and judge the effect of one's actions in an ordinary manner.