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"valuable" is also used as a crossword clue. If that's what you saw, the answer is often worthwhile (10 letters).
Definitions
having great material or monetary value especially for use or exchange
Word origin
From value + -able.
Used in a sentence
“valuable gemstones”
“a valuable friend; a valuable companion”
“Truly valuable things have no price and cannot be bought.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Worth a lot”8 letters
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