What is "renovates"

Usage examples of "renovates".

And as one generation passes on and renovates the field of tillage for the next, I entertain a fancy that when the young men of to-day go forth into the forest they shall find the air still vitalised by the spirits of their predecessors, and, like those "unheard melodies" that are the sweetest of all, the memory of our laughter shall still haunt the field of trees.

No matter how laboriously he renovates the buildings and grounds, how can he conceal the overwhelming squalor, the crowding, the sickly faces, the malnutrition, the death rate?