preparatory
adjective6 collocationsAvg. frequency: 6.0
work that is done to prepare for an activity or event
a private school that prepares students for college (AmE) or for a public school (BrE)
a meeting held to prepare for a larger or more important one
a conference held to prepare for a larger or more important one
a sketch made in preparation for a final piece of art
a drawing made in preparation for a final piece of art