Introspection is the process of examining your own thoughts and feelings. Discover how it works and why it matters in the field of psychology. What is introspection , why is it important, and how do we become more introspective ? In this article, we'll give you the definition (and meaning ) of introspection and the tools you need to do it. INTROSPECTIVE definition : 1. examining and considering your own ideas, thoughts, and feelings, instead of talking to other…. Learn more.