Get together with James (4)

I believe the answer is:

bond

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'james' is the definition.
(James Bond is a fictional spy)

I cannot understand how the rest of the clue works.

(Other definitions for bond that I've seen before include "Valuable asset" , "Fictional agent; link" , "Written promise" , "James ...., fiction's 007" , "Fictional agent; join" .)

I've seen this clue in the Evening Standard.

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