Recommend is a synonym of Suggest. Suggest is a synonym of Demonstrate. Demonstrate is related to Prove. 
Administrator is related to King. King is related to Great. Great is the opposite of Ordinary. Ordinary is related to Simple. 
Recommend <--Synonym--> Suggest <--Synonym--> Demonstrate <--RelatedTo--> Prove 
Administrator <--RelatedTo--> King <--RelatedTo--> Great <--Antonym--> Ordinary <--RelatedTo--> Simple 