Sentence:  Study <WSD>gives</WSD> strength to the mind; conversation, grace: the first apt to <WSD>give</WSD> stiffness, the other suppleness: one <WSD>gives</WSD> substance and form to the statue, the other polishes it. 
Meaning of the word marked with <WSD> tags:  To cause (a disease or condition) in, or to transmit (a disease or condition) to.