Presidential (adjective)

1. Relating to the president of a country or organization.
2. Relating to the office of the president.
3. Having the qualities or characteristics of a president.
4. Having the power and authority of the president.

Origin:

Late 19th century from latin praesidentialis meaning relating to a president.

Examples:

1. The presidential palace is a magnificent building in the city center.
2. The presidential election is one of the most important events in the country's history.
3. The presidential debate was watched by millions of people.
4. She has a presidential demeanor and commands respect from everyone.
5. The presidential order requires all federal agencies to comply with the new regulations.