adjective. Of, relating to, or constituting an introduction; initial or preparatory: synonym: preliminary.

Serving to introduce something; prefatory; preliminary: as, introductory remarks.

Synonyms Preparatory, etc. (see preliminary); precursory, proëmial.

noun. An introduction; a treatise giving the elements or simplest parts of a subject.

adjective. Serving to introduce something else; leading to the main subject or business; preliminary; prefatory

adjective. introducing; giving a preview or idea of

adjective. serving as an introduction or preface

adjective. serving as a base or starting point

adjective. serving to open or begin

"- Susan Obrant of Cortlandt, another wearable-fiber artist, is bringing a selection that includes more of what she calls her introductory (affordable) choices."

first  opening  preceding  

autobiographical  biographical  concise  cursory  descriptive  

abecedarian  aboriginal  antenatal  autochthonous  autodidactic