Reveal is a type of Disclose. Reveal is the opposite of Cover. 
Illusion is related to Visual. Visual is related to Reading. Reading is related to Read. Dictate is a type of Read. 
Disclose <--IsA-- Reveal <--Antonym--> Cover 
Illusion <--RelatedTo--> Visual <--RelatedTo--> Reading <--RelatedTo--> Read <--IsA-- Dictate 