Noun
aura - The distinctive atmosphere or quality that seems to surround and be generated by a person, thing, or place.
She was immediately attracted to the aura of light and peace that seemed to emanate from him, though she realized this required validation and investigation.
dunce - A derogatory term used to ridicule someone who is not very clever, or who does not learn easily.
Being called the dunce of the class motivated Joe to work harder and he finished top of the class. Now sometimes he puts on a joker's costume to make fun of those who used to make fun of him.