One possibility is "command".
Authority
The government has the authority to enforce laws and regulations to maintain order in society.
Yes, the word 'decree' is a noun, a singular, common, abstract noun; a word for anofficial order issued by a legal authority; a word for a thing.
The possessive form of "authority" is "authority's."
You may use a line and staff organisational chart which show direct authority relationships and relationships where no direct authority exists.
Is the word authority a verb
Defines limits of jobholder's decision-making authority, direct supervision, and budgetary limitations.
The prefix word for direct is "in-" as in "indirect."
Give authority to another
To have authority over something.
He is an authority in his field.
The word authority means a legal format of doing thing or the decision making.