Offer is the opposite of Acceptance. Acceptance is a synonym of Approval. Approval is a synonym of Blessing. 
Exhibit is a synonym of Demonstrate. Demonstrate is related to Show. Show is related to Episode. Episode is a type of Broadcast. 
Offer <--Antonym--> Acceptance <--Synonym--> Approval <--Synonym--> Blessing 
Exhibit <--Synonym--> Demonstrate <--RelatedTo--> Show <--RelatedTo--> Episode --IsA--> Broadcast 