Synonyms for preliminary in English

So this is a drawing of my preliminary design.

But perhaps I could issue a preliminary, encouraging bulletin.

Draw a preliminary conclusion about the presence and identity of the preservatives present.

This information is collected by computer-aided telephone interview, following a preliminary letter.

The Commission accepted preliminary this request and verified the information provided on-spot.

An important result is that all twelve regression equations are significant which indicates preliminary support for our conceptual model.