Settle is a type of Stop. Stop is the opposite of Keep. Keep is related to Hold. Hold is a type of Direct. 
Physical is related to Might. Might is related to Could. Could is related to Possible. 
Settle --IsA--> Stop <--Antonym--> Keep <--RelatedTo--> Hold --IsA--> Direct 
Physical <--RelatedTo--> Might <--RelatedTo--> Could <--RelatedTo--> Possible 