accessory
noun
"Accessory" means "something added to enhance convenience, attractiveness, or effectiveness." In other words, it refers to something added to enhance convenience, attractiveness, or effectiveness, or a decoration or accessory.
Example
- The elegant necklace complemented her simple black dress perfectly.
- The new wireless headphones are a must-have accessory for any smartphone user.
- A sharp knife and a cutting board are essential accessories for any kitchen.