Webster's Revised Unabridged Dictionary · 1913

Executory

Executory , adjective

[Late Latin executorius, Latin exsecutorius: compareF. 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