Meet entails/necessarily involves Compete. Meet is related to Greet. 
Couch is a synonym of Word. Word is related to Speech. Speech is related to Big. Big is related to Giant. 
Compete <--Entails-- Meet <--RelatedTo--> Greet 
Couch <--Synonym--> Word <--RelatedTo--> Speech <--RelatedTo--> Big <--RelatedTo--> Giant 