conscience
(noun)
noun
1. motivation deriving logically from ethical or moral principles that govern a person's thoughts and actions
Similar word(s): scruples
Definition categories: motive, ethics, morality, morals
2. conformity to one's own sense of right conduct
- a person of unflagging conscience
Definition categories: attribute, morality
3. a feeling of shame when you do something immoral
- he has no conscience about his cruelty