Compel or force (6)
I believe this is a double definition.
'compel' is the first definition.
(synonyms)
'force' is the second definition.
(I've seen this in another clue)
(Other definitions for oblige that I've seen before include "Perform a favour for" , "Coerce or accommodate" , "Compel - do favour to" , "Compel (someone to do something)" , "Morally influence" .)
I believe this is a double definition.
'compel' is the first definition.
(coercing is a kind of compelling)
'force' is the second definition.
(synonyms)
(Other definitions for coerce that I've seen before include "Force into obedience" , "Forcibly compel" , "'Force, pressurise (6)'" , "Persuade using threats" , "Make or compel" .)