ornamentation

/AO0 R N AH0 M EH0 N T EY1 SH AH0 N/
noun
  1. 1

    Decoration, adornment or embellishment.

  2. 2

    The act or process of decorating etc.

  3. 3

    Short notes added to a composition to emphasize certain notes and to add style.

Source: https://en.wiktionary.org/wiki/ornamentation