It can be entrancing for a while (5)

I believe the answer is:

spell

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'while' is the definition.
(I've seen this in another clue)

I cannot understand how the remainder of the clue works.

(Other definitions for spell that I've seen before include "Period (of work); incantation" , "Deliveries" , "Formula believed to have magical force" , "Short time, splinter" , "Magic incantation" .)

I've seen this clue in The Globe and Mail.

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