The name Nadege is a Slavic baby name. In Slavic the meaning of the name Nadege is Hope. People with this name have a deep inner desire to inspire others in a higher cause, 

People with this name tend to be passionate, compassionate, intuitive, romantic, and to have magnetic personalities. They are usually humanitarian, broadminded and generous, and tend to follow professions where they can serve humanity. 
from http://www.sheknows.com/baby-names/name/nadege