The abbess in a dream signifies a person with strong beliefs and convictions that are derived from long-term study or meditation. The abbess may also represent the idea of submitting to authority or following rules.
The abbess in your dream signifies the level of conformity you are comfortable with and whether you are willing to give into what your superiors say.
Dreaming about an abbess represents the voice in your head telling you to do what is expected of you, and not do what you want.