Scent is related to Nose. Nose is related to Ability. Possibility is derived from Ability. 
Wonderful is a synonym of Divine. Divine is the opposite of Secular. Secular is the opposite of Music. Music is the opposite of Silence. 
Scent <--RelatedTo--> Nose <--RelatedTo--> Ability <--DerivedFrom-- Possibility 
Wonderful <--Synonym--> Divine <--Antonym--> Secular <--Antonym--> Music <--Antonym--> Silence 