Synonyms:
explanatory
Meaning: serving or intended to explain or make clear; "explanatory notes"; "an explanatory paragraph"
Usage examples
The Inspector was explanatory.
Then Terry, wholly in his element, made a polite speech, with explanatory gestures, and proceeded to introduce us, with pointing finger.
His eye caught an explanatory note: the dividend on the preferred had been cut; the surplus was heavily reduced. His mind, searching rapidly over their business, fixed upon two marginal accounts--Jim Smith's and Waldron's.