en ‧ join /ɪnˈdʒɔɪn/ BrE AmE verb [transitive]
[ Date: 1200-1300 ; Language: Old French ; Origin: enjoindre , from Latin jungere 'to join' ]
1 . formal to order or try to persuade someone to do something
enjoin somebody to do something
The organisation has been enjoined to end all restrictions.
2 . law to legally prevent someone from doing something
enjoin somebody from doing something
The defendant was enjoined from using the patent.