adj

• (relational) Of or affecting the face.
• (medicine, relational) Concerned with or used in improving the appearance of the face.
• (transferred sense, law) (of a law or regulation validity) On its face; as it appears (as opposed to on a more probing analysis, as it is applied, etc.).
  "The facial constitutionality of the law is in question."

noun

• (medicine) A personal care beauty treatment which involves cleansing and moisturizing of the human face.
• (film) A kind of early silent film focusing on the facial expressions of the actor.
  "But in facials, moving picture technology also enabled an exaggeration of this performance tradition, bringing a new emphasis to the details […]"
• (slang, sports) (in some contact sports) A foul play which involves one player hitting another's face.
• (slang, pornography, sex) A sex act of ejaculation onto another person's face.
  "Long-Dong Chuck gave his co-star a creamy facial."