Divorced after setter got caught in an affair — it’s conspicuous (7)

I believe the answer is:

evident

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'conspicuous' is the definition.
(I've seen this before)

I cannot understand how the rest of the clue works.

(Other definitions for evident that I've seen before include "Clearly apparent" , "Incontrovertible" , "Visible - plain" , "Clearly discernible" , "clearly visible" .)

I've seen this clue in The Hindu.

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