Surprise is a type of Affect. Affect is a synonym of Assume. Resume is a type of Assume. 
Denial is the opposite of Admit. Initiate is a type of Admit. Organize is a type of Initiate. 
Surprise --IsA--> Affect <--Synonym--> Assume <--IsA-- Resume 
Denial <--Antonym--> Admit <--IsA-- Initiate <--IsA-- Organize 