Virtual is the opposite of Real. Real is similar to True. True is related to Correct. Correct is a different concept from Miss. 
Favor is a type of Approval. Approval is related to Ask. Ask is related to Acceptance. 
Virtual <--Antonym--> Real <--SimilarTo--> True <--RelatedTo--> Correct <--DistinctFrom--> Miss 
Favor --IsA--> Approval <--RelatedTo--> Ask <--RelatedTo--> Acceptance 