Passion of English proposal (7)
I believe the answer is:
emotion
'passion' is the definition.
(passion can mean great emotion)
'english proposal' is the wordplay.
'english' becomes 'e' (abbreviation).
'proposal' becomes 'motion' (proposal at a meeting).
'e'+'motion'='EMOTION'
'of' is the link.
(Other definitions for emotion that I've seen before include "eg Anger, fear, joy" , "Passion" , "Intuitive feeling" , "sense" , "Mental agitation" .)