3 Words to use with legatine

When Stephen had shaken off the chains with which he was loaded in Bristol Castle, the Bishop summoned a council at Westminster, on his legatine authority; and there "by great powers of eloquence, endeavored to extenuate the odium of his own conduct"; affirming that he had supported the Empress, "not from inclination, but necessity."

Notwithstanding this engagement, the pope, as soon as he had suppressed his antagonist, granted the Cardinal de Crema a legatine commission over that kingdom; and the king, who, by reason of his nephew's intrigues and invasions, found himself at that time in a dangerous situation, was obliged to submit to the exercise of this commission [r].

what were the precedentsnot merely the analogies and supposed legal necessities, but the precedentson which this exercise of metropolitical jurisdiction, distinct from the legatine power, rested?

3 Words to use with  legatine