Jump is a synonym of Clear. Clear is a synonym of Gain. Gain is etymologically related to Wide. Wide is the opposite of Narrow. 
Necessary is related to Absolute. Absolute is related to Perfect. 
Jump <--Synonym--> Clear <--Synonym--> Gain --EtymologicallyRelatedTo--> Wide <--Antonym--> Narrow 
Necessary <--RelatedTo--> Absolute <--RelatedTo--> Perfect 