Wild lions around island with a contact (7)
I believe the answer is:
liaison
'contact' is the definition.
(I know that contact can be written as liaison)
'wild lions around island with a' is the wordplay.
'wild' indicates anagramming the letters.
'around' indicates putting letters inside.
'island' becomes 'i' (geographical abbreviation).
'with' indicates putting letters inside.
'lions' is an anagram of 'lison'.
'lison' placed around 'i' is 'liison'.
'liison' enclosing 'a' is 'LIAISON'.
(Other definitions for liaison that I've seen before include "Communication between people or organisations" , "Co-operation; love affair" , "Secret love affair" , "Sort of officer" , "Collaboration" .)