Granted, it might be searchingly used (7)

I believe the answer is:

dragnet

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'granted it might be searchingly used' is the definition.
I can't tell whether this defines the answer.

'granted it might be' is the wordplay.
'it might be' indicates an anagram (the letters might be arranged to form another word).
'granted' anagrammed gives 'DRAGNET'.

Can you help me to learn more?

(Other definitions for dragnet that I've seen before include "Comprehensive search" , "Systematic police search for wanted person" , "Seabed trawl" , "Systematic search (for criminals)" , "hunt for suspect" .)

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

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