introductory

Definitions

Serving as an introduction to a subject or topic; preliminary.

Provided at the beginning of something, often at a reduced price to encourage initial interest.

Examples

The professor provided an introductory lecture to explain the core concepts of the course.

We received an introductory discount on our first month of subscription services.

Synonyms

preliminary initial foundational opening preparatory elementary basic

Antonyms

concluding final terminal advanced closing ultimate culminating