Impressive is related to Extraordinary. Extraordinary is similar to Right. Right is similar to Conservative. Conservative is the opposite of Progressive. 
Electric is related to Power. Power is related to Judge. 
Impressive <--RelatedTo--> Extraordinary <--SimilarTo--> Right <--SimilarTo--> Conservative <--Antonym--> Progressive 
Electric <--RelatedTo--> Power <--RelatedTo--> Judge 