Turn away; ward off (5)
I believe the answer is:
avert
I believe this clue is a double definition.
'turn away' is the first definition.
(synonyms)
'ward off' is the second definition.
(synonyms)
(Other definitions for avert that I've seen before include "Deflect away" , "Turn aside, perhaps gaze" , "Fend off" , "Turn away (ones eyes)" , "Ward off, deflect" .)