Toss is a synonym of Pass. Pass is a synonym of Transit. Transit is a type of Bring. Bring is a type of Make. 
Courage is related to Strong. Strong is the opposite of Vulnerable. Vulnerable is the opposite of Immune. 
Toss <--Synonym--> Pass <--Synonym--> Transit --IsA--> Bring --IsA--> Make 
Courage <--RelatedTo--> Strong <--Antonym--> Vulnerable <--Antonym--> Immune 