elucidative

adj

1. Explanatory, clarifying; that serves to elucidate.

   “Towards this end, indeed, he had purposed to introduce, in this place, a dissertation touching the divine right of beadles, and elucidative of the position, that a beadle can do no wrong.”

   “In looking at this wreck of Governments in all European countries, there is one consideration that suggests itself, sadly elucidative of our modern epoch.”