1. in a manner that introduces or serves as an introduction; by way of introduction

Examples

• The speaker began introductorily by outlining the main topics to be covered.
• Introductorily, let me say that this project has been a team effort.
• The chapter introductorily explains the historical context before diving into details.
• He spoke introductorily about the company's mission before the formal presentation.
• The author introductorily defines key terms that will be used throughout the book.