Take up (6)
'take up' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for occupy that I've seen before include "Engross" , "Give cursory look over" , "Fill up; hold (a position)" , "Fill space, time or position" , "Inhabit, dwell in" .)
'take up' is the definition.
(I know that adopt is a kind of take office)
This is all the clue.
(Other definitions for adopt that I've seen before include "Take responsibility for" , "make one's own" , "Accept as one's own" , "Choose as one's own" , "Start to wear" .)