Crossword Genius

Rattle in store I'd shaken (9)

Ross

I believe the answer is:

disorient

'rattle' is the definition.
(thesaurus)

'in store i'd shaken' is the wordplay.
'shaken' indicates an anagram.
'in'+'store'+'id'='instoreid'
'instoreid' with letters rearranged gives 'DISORIENT'.

(Other definitions for disorient that I've seen before include "confuse" , "muddle" , "Get confused" , "Puzzle" .)

I've seen this clue in The Telegraph.
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