Fascination (6)
(Other definitions for interest that I've seen before include "point of saving?" , "Pursuit" , "Profit" , "Payment on deposit account" , "Cost of borrowing" .)
'fascination' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for allure that I've seen before include "Entice or attract - sounds like a decoy" , "Powerful fascination" , "Enticement, attraction" , "Powerful attraction" , "Entice; appeal" .)
'fascination' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for appeal that I've seen before include "Beg" , "Heartfelt request -- attraction" , "Petition to a higher court" , "Supplication to take a higher court" , "Take case to higher court to challenge verdict" .)