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"legal" is also used as a crossword clue. If that's what you saw, the answer is often lawful (6 letters).
Definitions
allowed by official rules
Word origin
Learned borrowing from Latin lēgālis (“legal”), from lēx (“law”). Doublet of loyal and leal.
Used in a sentence
“legal profession”
“legal precedent”
“legal motion”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Allowed by law”5 letters
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