Roman Law. [ad. L. crētiōn-em, n. of action from cernĕre to decide, resolve: see CERN.] Declaration of acceptance of an inheritance (see CERN v.); transf. the period or term allowed for this.

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1880.  Muirhead, Gaius, II. § 166. If the individual so instituted desire to be heir, he must cern within the time for cretion. Ibid. (1880), Ulpian, xxii. § 27. Cretion is a certain … time allowed to the instituted heir for deliberating whether or not it will be for his advantage to enter to the inheritance.

2

  Hence Cretionary a., of or belonging to cretion.

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1880.  Muirhead, Ulpian, xxii. § 30. Failing to cern within the cretionary period.

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