elucidatory

More often than not, Private Empire is a compelling and elucidatory work, though its disciplined, very ExxonMobil-esque adherence to rigor and propriety does make for some moments of reader fatigue.

From BusinessWeek ● May 18, 2012

My propositions are elucidatory in this way: he who understands me finally recognizes them as senseless, when he has climbed out through them, on them, over them.

From Time Magazine Archive

As in both cases I am careful to avoid any elucidatory gesture or special tone of voice, I am inclined to think that there must be here a species of direct thought transference.

From Dog Stories from the "Spectator" being anecdotes of the intelligence, reasoning power, affection and sympathy of dogs, selected from the correspondence columns of "The Spectator" by Various

And when for a moment it seemed to him that she was not as a matter of fact dispersed and mixed at all, then with an instant eagerness he dismissed that one elucidatory gleam.

From The Research Magnificent by H. G. (Herbert George) Wells

Each of these fills one page, the handwriting being condensed or expanded according to the amount of the contents, while that opposite contains an illustration elucidatory of the text.

From Narrative of the Circumnavigation of the Globe by the Austrian Frigate Novara, Volume II (Commodore B. Von Wullerstorf-Urbair,) Undertaken by Order of the Imperial Government in the Years 1857, 1858, & 1859, Under the Immediate Auspices of His I. and R. Highness the Archduke Ferdinand Maximilian, Commander-In-Chief of the Austrian Navy. by Karl Ritter von Scherzer