1. (

• compel ,
• oblige ,
• obligate

) force somebody to do something; "We compel all students to fill out this form" ;

2. (

• compel

) necessitate or exact; "the water shortage compels conservation" ;

1. (

• compelling

) driving or forcing; "compelling ambition" ;

2. (

• compelling

) tending to persuade by forcefulness of argument; "new and compelling evidence" ;