standards

noun
  1. A level of quality or attainment. noun
    The restaurant has high standards for cleanliness.
    Educational standards have been rising in recent years.
  2. An idea or thing used as a measure, norm, or model in comparative evaluations. noun
    The ISO standards are used worldwide to ensure quality.
    His work set a new standard for excellence in the field.
  3. A required or agreed level of quality or attainment. noun
    The product failed to meet the safety standards.
    There are strict standards for the certification of organic products.
  4. A song or piece of music that has remained popular for many years. noun
    The band played several jazz standards during their set.
    She sang a beautiful rendition of the classic standard.