Sentence:  Because of his brain injury and the extreme damage suffered to his sight , the patient had to train himself for a new line of work , that of a portfolio maker , an occupation requiring a great deal of precision in the making of measurements and a fairly well <WSD>developed</WSD> sense of form and contour . 
Meaning of the word marked with <WSD> tags:  being changed over time so as to be e.g. stronger or more complete or more useful