Relating to, designed for, or used in confession; of or pertaining to the act or practice of confessing.
From confess + -ory (Latin -orius, adjectival suffix). The -ory suffix creates adjectives from verbs: excretory, respiratory, introductory, all describing something related to the root action.
Confessory became a technical term in church architecture—'confessory space' referred specifically to the area designed for confessions, which led to entire church renovations when different denominations wanted different confessory arrangements.
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