Webster’s Revised Unabridged Dictionary · 1913
Executory
Ex·ec′u·to·ry (·tō·ry̆), a. [LL. executorius, L. exsecutorius: cf.F. exécutoire.] 1. Pertaining to administration, or putting the laws in force; executive.
The official and executory duties of government. Burke.
2. (Law) 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.