1 a (foll. by to + infin.) command or order (a person). b (foll. by that + clause) issue instructions.
2 (often foll. by on) impose or prescribe (an action or conduct).
3 (usu. foll. by from) Law prohibit (a person) by order.
Derivatives:
enjoinment n.
Etymology: ME f. OF enjoindre f. L injungere (as IN-(2), jungere join)
Useful english dictionary. 2012.