Conclusion is a type of Assumption. Conclusion is derived from Conclude. Conclude is a synonym of Close. Closest is a form of Close. 
Latin is related to Language. Language is a synonym of Speech. Speech is related to Ability. 
Assumption <--IsA-- Conclusion --DerivedFrom--> Conclude <--Synonym--> Close <--FormOf-- Closest 
Latin <--RelatedTo--> Language <--Synonym--> Speech <--RelatedTo--> Ability 