Direction is related to Sail. Sail is related to Push. Push is related to Drive. Drive is related to Conduct. 
Absorb is a synonym of Soak. Steep is a type of Soak. Plunge can cause/lead to Steep. Plunge is related to Toilet. 
Direction <--RelatedTo--> Sail <--RelatedTo--> Push <--RelatedTo--> Drive <--RelatedTo--> Conduct 
Absorb <--Synonym--> Soak <--IsA-- Steep <--Causes-- Plunge <--RelatedTo--> Toilet 