Conceit, for example, associated with love (3)
I believe the answer is:
ego
'conceit' is the definition.
(I've seen this before)
'example associated with love' is the wordplay.
'example' becomes 'eg' (short for 'exempli gratia', 'for example' in Latin).
'associated with' says to put letters next to each other.
'love' becomes 'o' (love means zero in tennis).
'eg'+'o'='EGO'
'for' is the link.
(Other definitions for ego that I've seen before include "number one" , "Person's sense of self" , "Self-esteem, conceit" , "One's sense of self-importance" , "Sense of identity" .)