Monetary Definition

mŏnĭ-tĕrē, mŭn-

adjective

Of or relating to money.

American Heritage

Of or having to do with the coinage or currency of a country.

Webster's New World

Of or having to do with the supply of money in an economy; specif., designating or of policy that regulates the money supply, as through the periodic adjustment of certain interest rates by a central bank.

Webster's New World

Synonyms:

Origin of Monetary

from Late Latin monetarius (“pertaining to money"), from Latin monetarius (“of a mint"), from Latin moneta (“mint", "coinage")

From Wiktionary
Late Latin monētārius from Latin monēta money, mint money

From American Heritage Dictionary of the English Language, 5th Edition