"Administerial" is a word in ENGLISH

Pertaining to administration; administering; executive; as, an administrative body, ability, or energy.

Pertaining to administration. Particularly, having the char-acter of executive or ministerial action. In this sense, administrative functions or acts are …

Pertaining to administration, or putting the laws in force; executive.

Pertaining to the administration of justice; dispensing justice; judicial; as, judicatory tribunals.

Pertaining or appropriate to courts of justice, or to a judge; practiced or conformed to in the administration of justice; …

Of or pertaining to public policy, or to politics; relating to affairs of state or administration; as, a political writer.

Of or pertaining to a theocracy; administred by the immediate direction of God; as, the theocratical state of the Israelites.