Discussion is related to Topic. Topic is related to Debate. you are likely to find Debate in/at/on University. 
Appreciate is etymologically related to Precious. Precious is related to Metal. 
Discussion <--RelatedTo--> Topic <--RelatedTo--> Debate --AtLocation--> University 
Appreciate --EtymologicallyRelatedTo--> Precious <--RelatedTo--> Metal 