Introductory and Junior

Introductory adjective - Coming before the main part or item usually to introduce or prepare for what follows.

Junior and introductory are semantically related. In some cases you can use "Junior" instead an adjective "Introductory".

Nearby Word: introduction

Junior adjective - Having not so great importance or rank as another.

Introductory and junior are semantically related. Sometimes you can use "Introductory" instead an adjective "Junior".