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"invent" is also used as a crossword clue. If that's what you saw, the answer is often concoct (7 letters).
Definitions
come up with (an idea, plan, explanation, theory, or principle) after a mental effort
Word origin
From Middle English inventen, borrowed from Old French inventer, from Latin inventus, perfect passive participle of inveniō (“come upon, meet with, find, discover”), from in (“in, on”) + veniō (“come”); see venture. Compare advent, covent, event, prevent, etc.
Used in a sentence
“After weeks of hard work, I invented a new way to alphabetize matchbooks.”
“Accurſt be he that firſt inuented war”
“I knew I had to invent an excuse, and quickly.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer2 curated clues
01“Devise”6 letters
02“Create anew”6 letters
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