introductory

/ˌɪntɹədˈʌktəɹˌi/

/ˌɪntɹəˈdəktɝi/, /ˌɪntɹoʊˈdəktɝi/

introductory

serving to open or begin

serving as a base or starting point

synonyms : basic

serving as an introduction or preface

Examples

1. I know you feel like you know everything about philosophy now, but this introductory course only scratches the surface.

2. Even worse, the introductory courses alienated female students.

3. Its introductory price was $ 99.

4. 15.401 and 15.402 are the introductory courses.