introspection \in-truh-SPEK-shuhn\, noun:
The act or process of self-examination; contemplation of one's
own thoughts and feelings; a looking inward.
Bill could be harshly self-critical, while Mac -- though
not oblivious of his mistakes -- had no time for
--Kai Bird, The Color of Truth
Romanes acknowledged that to interpret an animal's thought
processes this way required a heavy dose of inference from
our own mental patterns, which we access through
--Stephen Budiansky, If a Lion Could Talk
Religion absorbed Bailey, and following a period of intense
introspection, he began a long quest to become a
--Thomas G. Dyer, Secret Yankees
Introspection derives from the past participle of Latin
introspicere, "to look inside," from intro-, "to the inside"
specere, "to look."