Suspicion online basket has been withdrawn (5)

I believe the answer is:

trace

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'suspicion' is the definition.
(suspicion can mean a small trace)

I don't understand how the rest of the clue works.

(Other definitions for trace that I've seen before include "Describe, small quantity" , "Very small amount that can only just be detected" , "Discover whereabouts" , "Locate by investigation" , "part of harness" .)

I've seen this clue in The Times.

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