Main Entry: en·join

Pronunciation: \in-ˈjȯin, en-\

Function: transitive verb

Etymology: Middle English, from Anglo-French enjoindre, from Latin injungere, from in- + jungere to join — more at yoke

Date: 13th century

1 : to direct or impose by authoritative order or with urgent admonition <enjoined us to be careful>
2 a : forbid, prohibit <was enjoined by conscience from telling a lie> b : to prohibit by a judicial order : put an injunction on <a book had been enjoined prior to publication — David Margolick>

synonyms see command