executory, a. [LL. executorius, L. exsecutorius: cf.F. exécutoire.].
Pertaining to administration, or putting the laws in force; executive. [1913 Webster]
"The official and executory duties of government."
[1913 Webster]
Designed to be executed or carried into effect in time to come, or to take effect on a future contingency; as, an executory devise, reminder, or estate; an executory contract.Blackstone. [1913 Webster]