She made some preparative arrangements for the party.

I have a lot of preparative work to do before the event.

The preparers are responsible for organizing the event.

She is taking preparational classes for the exam.

The preparators are responsible for setting up the exhibits.

The preparator carefully arranged the specimens for the exhibit.

She studied preparatively for the exam.

This dish is easily preparable.

The preparatives for the event are well underway.

The preparings for the party are going well.