dimissory
adjective
[ ˈdɪmɪs(ə)ri ]
• (in the Christian Church) denoting formal permission from a bishop ( letters dimissory ) for a person from one diocese to be ordained in another, or (formerly) for an ordained person to leave one diocese for another.
Origin:
late Middle English (as a plural noun): from late Latin dimissorius, from dimiss- ‘sent away’, from the verb dimittere . The adjective dates from the late 16th century, the original sense being ‘valedictory’.