INTROSPECTIVE
introspective, introverted, self-examining
(adjective) given to examining own sensory and perceptual experiences
Source: WordNet® 3.1
Etymology
• intro "inward, within" (see intro-) + specere "look at" (from PIE root *spek- "to observe")
Adjective
introspective (comparative more introspective, superlative most introspective)
Examining one's own perceptions and sensory experiences; contemplative or thoughtful about oneself.
Source: Wiktionary
In`tro*spec"tive, a. Etym: [Cf. F. introspectif.]
1. Inspecting within; seeing inwardly; capable of, or exercising,
inspection; self-conscious.
2. Involving the act or results of conscious knowledge of physical
phenomena; -- contrasted with associational. J. S. Mill.
Source: Webster’s Unabridged Dictionary 1913 Edition