Stage left, for example (3)
I believe the answer is:
leg
'stage' is the definition.
('leg' can be a synonym of 'stage')
'left for example' is the wordplay.
'left' becomes 'l' (common abbreviation).
'for' is a charade indicator (letters next to each other).
'example' becomes 'eg' (**).
'l'+'eg'='LEG'
(Other definitions for leg that I've seen before include "Gigot" , "Poultry portion" , "Stage (of race)" , "prop" , "part of course" .)