Charming woman into accepting pounds made for a round figure (6)

I believe the answer is:

circle

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'round figure' is the definition.
(round shape)

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

(Other definitions for circle that I've seen before include "Geometric shape" , "Curved figure" , "Level in theatre; round" , "See 1 down" , "Round shape" .)

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

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