Introspect(v. t.) To look into or within; to view the inside of.
Introspection(n.) A view of the inside or interior; a looking inward; specifically, the act or process of self-examination, or inspection of one's own thoughts and feelings; the cognition which the mind has of its own acts and states; self-consciousness; reflection.
Introspective(a.) Inspecting within; seeing inwardly; capable of, or exercising, inspection; self-conscious.
Introspective(a.) Involving the act or results of conscious knowledge of physical phenomena; -- contrasted with associational.
Words within introspectional