Varied, thrilling, outright gripping chart-topper (8)

I believe the answer is:

eclectic

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'varied' is the definition.
(I've seen this before)

I cannot understand how the remainder of the clue works.

(Other definitions for eclectic that I've seen before include "Catholic" , "Borrowing from many styles" , "Taking ideas from various sources" , "Broad-based" , "Chosen from various sources" .)

I've seen this clue in the Sydney Morning Herald.

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