oblige in WordNet English dictionary

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