The crossword solution for the term 'sense of self-worth' is 'EGO'. EGO is a term used in psychology to refer to a person's sense of self-importance and self-esteem. It is often used to describe a person's sense of identity and how they view themselves in relation to others. EGO can be seen as a measure of one's self-worth and can be affected by external factors such as success, failure, and relationships.