Cranial nerve seven, or the facial nerve, is responsible for controlling the muscles of the face and transmitting sensory information to the brain. There are a few synonyms for this nerve, including CNIILE, FNVII, and the seventh cranial nerve. The abbreviation CNIILE stands for cranial nerve seven, facial nerve, and is particularly common in medical language. FNVII is a shorter version of the seventh cranial nerve, usually used in research articles or academic context. Regardless of the synonyms, the function of this nerve remains essential for a range of everyday activities, such as speaking, swallowing, and even smiling.