Pay attention to the editorial, in part (4)
I believe the answer is:
heed
'pay attention to' is the definition.
(thesaurus)
'the editorial in part' is the wordplay.
'in part' indicates a hidden word.
'HEED' is hidden within 'the editorial'.
(Other definitions for heed that I've seen before include "Caution" , "Care, attention (paid)" , "Listen to carefully" , "Observe" , "Regard" .)