ornamenting

/AO1 R N AH0 M EH0 N T IH0 NG/
verb
  1. 1

    To decorate.

    โ€œWe will ornament the windows with trim to make the room seem brighter.โ€

  2. 2

    To add to.

    โ€œThe editor ornamented his plain writing, making it fancier but less clear.โ€

Source: https://en.wiktionary.org/wiki/ornament, https://en.wiktionary.org/wiki/ornamenting