Appellation (noun)

1. The name by which a person, place, or thing is known and addressed.
2. A legally or officially recognized name or title.

Origin:

Late middle english: from latin appellatio(n-), from the verb appellare (see appeal).

Examples:

1. The scientist was known by his professional appellation.
2. The geographical appellation of the region has changed throughout history.
3. The wine's appellation of origin is protected by law.
4. The author's literary appellation is well-known.
5. The appellation of the new product caused some confusion.