Make higher (7)
'make higher' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for elevate that I've seen before include "To raise in level" , "Improve morally" , "'Raise, upgrade (7)'" , "Raise up, hold aloft" , "Raise, exalt (in rank)" .)
(Other definitions for steepen that I've seen before include "Show increased inclination" , "Pet seen (anag.)" , "Rise more quickly" , "Begin to rise faster" , "Get more sloped" .)
'make higher' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for raise that I've seen before include "Lift - increase" , "Cultivate by growing" , "rally" , "Gather" , "Bring up, rear" .)