COMPULSION

(FORCE) [noun] [U] - a force that makes you do somethingHe seems to be driven by some kind of inner compulsion.Her books have a certain compulsion that makes them hard to put down.I only learnt Latin under compulsion when I was at school.Are we under any compulsion to sign the document? [+ to infinitive]Don't feel under any compulsion to take me with you. I won't be offended if you don't. [+ to infinitive]See also compel.