English to English
introductory

(,/I/ntr/@/'d/@/kt/@/r/i/
)
adjective (a)
- Serving to introduce something else; leading to the main subject or business; preliminary; prefatory; as, introductory proceedings; an introductory discourse.(adjective)source: webster1913
adjective satellite (s)
- serving to open or begin(adj.all)Example:
Began the slide show with some introductory remarks.
source: wordnet30 - serving as a base or starting point(adj.all)Example:
An introductory art course.
source: wordnet30