Propositions: obvious temptations? Not initially (9)
I believe the answer is:
overtures
'propositions' is the definition.
(I know this)
'obvious temptations? not initially' is the wordplay.
'obvious' becomes 'overt' (similar in meaning).
'temptations?' becomes 'lures' (lure is a kind of temptation).
'not initially' means to remove the first letter.
'lures' with its first letter taken off is 'ures'.
'overt'+'ures'='OVERTURES'
(Other definitions for overtures that I've seen before include "Musical introductions" , "Tentative suggestions to elicit reactions" , "Attempts at seduction" , "Diplomatic advances" , "Orchestral introductions to an opera etc" .)