Pleasure of French comprehension (7)
I believe the answer is:
delight
'pleasure' is the definition.
(I know that pleasure can be written as delight)
'of french comprehension' is the wordplay.
'of french' becomes 'de' ('of' in French).
'comprehension' becomes 'light' (I am not sure about this - if you are sure you should believe this answer much more).
'de'+'light'='DELIGHT'
Can you help me to learn more?
(Other definitions for delight that I've seen before include "''A lonely impulse of ...'' (Yeats)" , "Pleasure (possibly Turkish?)" , "Enjoyment" , "Elation" , "Enchant" .)