Depart is the opposite of Board. Board is a synonym of Council. Council is related to Running. Running can be used for Pleasure. 
Unfold is a synonym of Reveal. Reveal is a synonym of Communicate. 
Depart <--Antonym--> Board <--Synonym--> Council <--RelatedTo--> Running --UsedFor--> Pleasure 
Unfold <--Synonym--> Reveal <--Synonym--> Communicate 