Budgetary

an estimate, often itemized, of expected income and expense for a given period in the future.
a plan of operations based on such an estimate.
an itemized allotment of funds, time, etc., for a given period.
the total sum of money set aside or needed for a purpose:
the construction budget.
a limited stock or supply of something:
his budget of goodwill.
Obsolete. a small bag; pouch.
reasonably or cheaply priced:
budget dresses.
to plan allotment of (funds, time, etc.).
to deal with (specific funds) in a budget.
to subsist on or live within a budget.
Contemporary Examples

Angry House Kills Reid Plan Howard Kurtz July 29, 2011
The Reason for Our Woeful Lack of Gun Statistics David Frum December 17, 2012
Why the Existence of this Obama Budget is a Victory for the Republicans Justin Green April 10, 2013
The Polanski Tax Joe Mathews October 5, 2009
CBO’s Case for Immigration: $197 Billion Cut in U.S. Deficit Daniel Gross June 18, 2013

Historical Examples

Nursing as Caring Anne Boykin
Area Handbook for Bulgaria Eugene K. Keefe, Violeta D. Baluyut, William Giloane, Anne K. Long, James M. Moore, and Neda A. Walpole
State of the Union Addresses of Harry S. Truman Harry S. Truman
Area Handbook for Albania Eugene K. Keefe
Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 3 Various

noun
an itemized summary of expected income and expenditure of a country, company, etc, over a specified period, usually a financial year
an estimate of income and a plan for domestic expenditure of an individual or a family, often over a short period, such as a month or a week
a restriction on expenditure (esp in the phrase on a budget)
(modifier) economical; inexpensive: budget meals for a family
the total amount of money allocated for a specific purpose during a specified period
(archaic) a stock, quantity, or supply
verb -gets, -geting, -geted
(transitive) to enter or provide for in a budget
to plan the expenditure of (money, time, etc)
(intransitive) to make a budget
noun
the Budget, an estimate of British government expenditures and revenues and the financial plans for the ensuing fiscal year presented annually to the House of Commons by the Chancellor of the Exchequer
n.
v.