The crossword solution for the term 'DEVELOPED FULLY' is 'MATURED'. To be fully developed or MATURED means to have reached a point of full growth, development, or completion. It can refer to physical, mental, or emotional growth and development. In terms of physical development, it could mean that a person has grown to their full height or that a plant has reached its full size. In terms of mental or emotional development, it could mean that a person has gained a full understanding of a concept or has achieved emotional stability.