Crossword Genius

Respond with regard to law (5)

Ross

I believe the answer is:

react

'respond' is the definition.
(synonyms)

'with regard to law' is the wordplay.
'with regard' becomes 're'.
'to law' becomes 'act' (I've seen this before).
're'+'act'='REACT'

(Other definitions for react that I've seen before include "Retaliate" , "What a chemical might do" , "Trace (anag)" , "Perform again" , "Change chemically" .)

I've seen this clue in The Guardian.
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