Extreme is related to Joy. 
Find is a synonym of Recover. Recover is a synonym of Heal. Heal is etymologically related to Whole. Whole is the opposite of Partial. 
Extreme <--RelatedTo--> Joy 
Find <--Synonym--> Recover <--Synonym--> Heal --EtymologicallyRelatedTo--> Whole <--Antonym--> Partial 