contemplation
musing
reflection
reflexion
rumination
thoughtfulness
examen
examination
self-analysis
soul-searching
catechism
circumspection
conciousness
cross-examination
fasting
inquisition
introspection
mindfulness
morbidness
perusal
reconsideration
scrutiny
self-criticism
self-denial
self-discipline
self-knowledge
self-mortification
self-observation
self-scrutiny
taskmaster
tobacker
visualization