Debate is a synonym of Contest. Contest is a synonym of Conflict. 
Attach is a type of Connect. Connect is a synonym of Associate. Associate is a type of Think. Think is related to Realize. 
Debate <--Synonym--> Contest <--Synonym--> Conflict 
Attach --IsA--> Connect <--Synonym--> Associate --IsA--> Think <--RelatedTo--> Realize 