amsden

Example:The signature only included the person's initials, not their full name.

Definition:The first letter of a person’s given name, middle name, or surname

Example:She prefers to use her mononym, which is representative of her stage name.

Definition:A single word or name used in place of a surname, often for famous people or artists

Example:The puppy had none of the previously discussed names, so we had to think of a new one.

Definition:The absence of any name or surname