Εννοια

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
4. Apparent likeness; the way which something or someone appears to others.
5. 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. An instance of someone coming into a court of law to be part of a trial, lawsuit or other proceeding, either in person or represented by an attorney or such like; a court appearance
8. Chiefly used by nurses: the act of defecation by a patient.