Not disregard (4)
I believe the answer is:
heed
(Other definitions for heed that I've seen before include "Attend to, mind" , "Obey" , "Regard" , "Observe" , "Mark" .)
I believe the answer is:
heed
(Other definitions for heed that I've seen before include "Attend to, mind" , "Obey" , "Regard" , "Observe" , "Mark" .)