Nominal (adjective)

1. In name only; nominal title or position.
2. Relating to or consisting of a name or names.
3. Of, relating to, or being a monetary unit or system that serves as a means of exchange but has little or no intrinsic value.

Origin:

From latin nominalis, from nomen (name).

Examples:

1. He held a nominal position in the company, but had no real power.
2. The country has a nominal leader, but the real power lies with the military.
3. The nominal value of the currency has changed due to inflation.
4. The nominal price of the product does not reflect its true cost.
5. The nominal head of the family is responsible for making important decisions.