introspection
noun
[ ɪntrə(ʊ)ˈspɛkʃ(ə)n ]
• the examination or observation of one's own mental and emotional processes.
• "quiet introspection can be extremely valuable"
Similar:
brooding,
self-analysis,
soul-searching,
heart-searching,
introversion,
self-observation,
self-absorption,
contemplation,
thoughtfulness,
pensiveness,
thought,
thinking,
musing,
rumination,
meditation,
pondering,
reflection,
cogitation,
navel-gazing,