1. The value of something measured by its qualities or by the esteem in which it is held.
  2. Moral or personal value.
  3. The equivalent of a specified amount or figure.
  4. Deserving of [something or someone].
  5. Of substantial or significant value or merit.

The emotion of Self-Worth is found in the Heart meridian in the Fire element.

Definition from Dictionary by Merriam-Webster.