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"rapt" is also used as a crossword clue. If that's what you saw, the answer is often spellbound (10 letters).
Definitions
Completely absorbed or fascinated.
Word origin
Borrowed from Latin raptus, past participle of rapio (“to seize”).
Used in a sentence
“And through the Greeks and Ilians they rapt / The whirring chariot.”
“From Oxford I was rapt by my nephew, Sir Edmund Francis Bacon, to Redgrove.”
“The children watched in rapt attention as the magician produced object after object from his hat.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Fully absorbed”4 letters
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