Comply with (4)
'comply with' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for obey that I've seen before include "Act in accordance with (law)" , "Respect" , "Hear" , "Do what one is told" , "Perversely inclined to do the opposite" .)
'comply with' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for act on that I've seen before include "Respond in accordance with -- London district (3,2;5)" , "Comply with" , "Take notice of" , "Area in West London" , "Part of the London borough of Ealing -- British historian, d. 1902" .)