Administrative (adjective)

1. Relating to the management or administration of an organization or business.
2. Relating to the performance of administrative duties or tasks.
3. Relating to the management of a department or a system.

Origin:

The word 'administrative' originated from the latin word 'administrativus' which means 'having the function of management or administration.'.

Examples:

1. The administrative staff was responsible for the office's day-to-day operations.
2. She was in charge of the administrative side of the business.
3. The administrative assistant was responsible for managing the schedules and appointments of the executives.
4. The administrative decision was made to hire more employees.
5. The administrative process was streamlined to improve efficiency.