The correct option is D consecrate
The word 'desecrate' refers to treating with violent disrespect.
Option A, desist refers to stop doing something.
Option B, integrate refers to combining one thing with another to form a whole.
Option C, intensify refers to making more intense.
Option D, consecrate refers to making or declaring sacred.
Thus, according to the meaning, the word 'consecrate' is the opposite of the word 'desecrate'.