Comes to a decision to ward off those attracting gold diggers (10)

I believe the answer is:

determines

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'comes' is the definition.
Although both the answer and definition are verbs in their -s form, I cannot understand how one could define the other.

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Another definition for determines that I've seen is " Decides".)

I've seen this clue in the Irish Times.

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