Make it big (5)
(Other definitions for succeed that I've seen before include "Follow on - win" , "Do very well" , "get results" , "Come after; attain fame" , "follow > work" .)
(Other definitions for enlarge that I've seen before include "Increase in size" , "Broaden, increase" , "go into greater detail" , "swell?" , "Dilate" .)