Magisterial a. : Of or pertaining to a master or magistrate, or one in authority; having the manner of a magister; official; commanding; authoritative. Hence: Overbearing; dictatorial; dogmatic.

Magisterial a. : Pertaining to, produced by, or of the nature of, magistery. See Magistery, 2.

Example:
Are there any Magisterial documents that contain the church's position on emotional abuse?

Taxonomy
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Defination from the web:
magisterial from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... Learn more about "magisterial" and related topics at Britannica.com. Pronunciation Symbols. Share this entry: Link to this page: Cite this ...