An Appearance

1. The act of appearing or coming into sight; the act of becoming visible to the eye.
2. A thing seen; a phenomenon; an apparition.
3. The way something looks; personal presence Synonyms: aspect, mien
4. Apparent likeness; the way which something or someone appears to others.
5. (philosophy, theology) That which is not substance, essence, hypostasis; the outward reality as opposed to the underlying reality
6. The act of appearing in a particular place, or in society, a company, or any proceedings; a coming before the public in a particular character.
7. (law) An instance of someone coming into a court of law to be part of a trial, either in person or represented by an attorney or such like; a court appearance
8. (medicine) Chiefly used by nurses: the act of defecation by a patient.

Synonyms

• (act of coming into sight): arrival, manifestation,
• (a thing seen): spectacle, apparition, phenomenon, presence
• (aspect of a person): aspect, air, figure, look, manner, mien
• (outward show): semblance, show, pretense, façade or facade
• (act of appearing in public): debut

Antonyms

• non-appearance, nonappearance