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"thrive" is also used as a crossword clue. If that's what you saw, the answer is often succeed (7 letters).
Definitions
Grow, develop, or succeed strongly.
Word origin
From Middle English thryven, thriven, from Old Norse þrífa (“to seize, grasp, take hold, prosper”), from Proto-Germanic *þrībaną (“to seize, prosper”), from Proto-Indo-European *trep-, *terp- (“to satisfy, enjoy”). Cognate with Swedish trivas, Danish trives, Norwegian Bokmål trives.
Used in a sentence
“Not all animals thrive well in captivity.”
“to thrive upon hard work”
““It seems to me, reverend father,” said the knight, “that the small morsels which you eat, together with this holy, but somewhat thin beverage, have thriven with you marvellously.””
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer3 curated clues
01“Prosper”6 letters
02“Grow successfully”6 letters
03“Flourish”6 letters
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