__ on; keep thinking about
I believe the answer is:
dwell
(Other definitions for dwell that I've seen before include "Settle" , "Exist (within)" , "Think moodily (on something)" , "Reside - linger" , "Abide, reside" .)
I believe the answer is:
dwell
(Other definitions for dwell that I've seen before include "Settle" , "Exist (within)" , "Think moodily (on something)" , "Reside - linger" , "Abide, reside" .)