Assume is a synonym of Suppose. Suppose is a synonym of Suspect. Suspect is a type of Person. Person can be Late. 
Slave is the opposite of Master. Master is related to Boss. 
Assume <--Synonym--> Suppose <--Synonym--> Suspect --IsA--> Person --HasProperty--> Late 
Slave <--Antonym--> Master <--RelatedTo--> Boss 