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Webster 1913 Edition

Adj.

[L.

decretorius

, from

decretum

. See

Established by a decree; definitive; settled.

The

decretory

rigors of a condemning sentence.

South.

Serving to determine; critical.

“The critical or decretory days.”

Sir T. Browne.

, a.

Judicial; definitive; established by a decree.

The decretory rigors of a condemning sentence.

Critical; determining; in which there is some definitive event; as, critical or decretory days.

decretory ‎(comparative more decretory, superlative most decretory)

(rare or obsolete) Pertaining to an authoritative decree or final judgement.
- 1658: If in the decretory term of the world we shall not all dye but be changed, according to received translation, the last day will make but few graves — Sir Thomas Browne, Urne-Burial (Penguin 2005, p. 50)