This ROOT-WORD is GRAT which means PLEASING. Very PLEASING
The main goal of civic education can be considered as the formation of civil qualities on the basis of new knowledge, skills and values that help individuals to solve emerging problems, adapt to changing socio-economic and political conditions, represent and protect their rights and interests
English morphological rules detail how words relate to other words. Thus, my best assumption would be because BOLDEST is an adjective whereas BOLDLY is an adverb.
