oblige
verb.
force somebody to do something
We compel all students to fill out this form
Synonym: compel, obligate
verb.
bind by an obligation; cause to be indebted
He's held by a contract|I'll hold you by your promise
Synonym: bind, hold, obligate
verb.
provide a service or favor for someone
We had to oblige him
Synonym: accommodate
Antonym: disoblige