What's the adjective for prelature? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs prelate, prelatise and prelatize which may be used as adjectives within certain contexts.
“The remains of the new saint have been returned now to Our Lady of Peace, the prelatic church of Opus Dei.”
“It is also important to distinguish between a Shepherd's Cross and a bishop's crosier, which is simply a symbol of prelatic authority and jurisdiction.”
“John Paul II went that afternoon to the Prelatic Church of Opus Dei, dedicated to Our Lady of Peace, where Don Alvaros body lay.”