1. To convert an asset, talent, passion, event, object or transaction into money by selling, licensing, packaging, or using it as security for a loan. Can include any form of currency or something with transferable value; stock, equipment, financial instruments, etc. 2. To convert into a source of cash flow. 3. To express value in terms of money. 4. To establish something as a currency, especially by minting coins. 6. To convert an economy from a barter system to the exchange of money.