The word "innervate" refers to stimulating or activating a particular organ or body part. Antonyms of this word include "deactivate," "suppress," "dull," "numb," and "stifle." Deactivating means to stop the functioning of nerves or muscles, while suppressing means to reduce the activity of a particular part of the body. Dull signifies reducing the sensitivity or responsiveness of nerves, while numb refers to loss of sensation altogether. Lastly, stifling implies preventing the activity or growth of something. Knowing antonyms can be of great help in understanding the nuances of language and improving one's vocabulary.