Gold demonetization refers to the process of removing gold as a legal tender or currency. However, there are several synonyms for this term. One of them is "gold devaluation", which means to decrease the value of gold as currency. Another synonym for gold demonetization is "gold decertification", which means to no longer certify gold as money. Additionally, "gold deauthorization" is also a synonym for gold demonetization as it refers to the process of removing authorization for gold as a currency. Lastly, "gold desanction" is another synonym that means the removal of official approval or support for gold as a legal tender. All these terms have different meanings but share the same idea of removing gold as a legal currency.