Turn up clip of Hingis saving set (6)
I believe the answer is:
assign
'set' is the definition.
(thesaurus)
'turn up clip of hingis saving' is the wordplay.
'turn up' says the letters should be written backwards.
'clip of' indicates the central letters (I've seen 'clip' mean this (the wings or edge letters of the word get clipped)).
'saving' becomes 'issa' (I am not sure about this - if you are sure you should believe this answer much more).
The central letters of 'hingis' are 'ng'.
'ng'+'issa'='ngissa'
'ngissa' backwards is 'ASSIGN'.
Can you help me to learn more?
(Other definitions for assign that I've seen before include "Transfer or appoint to" , "grant" , "Select and appoint for task" , "Determine" , "Appoint or designate to perform task" .)