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"explanatory" is also used as a crossword clue. If that's what you saw, the answer is often interpretive (12 letters).
Definitions
Intended to explain, clarify, or make something understandable.
Word origin
From Late Latin explānātōrius, from Latin explānāt-, past-participle stem of explānāre (“to explain”). Displaced Old English ġereclīċ.
Used in a sentence
“Below the diagram is an explanatory text.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Clarifying”11 letters
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