adjective / noun
premium
An enhanced level of quality or benefit beyond the usual standard.
The gift wrapping adds a premium benefit beyond the ordinary purchase of the bowl.

Etymology
Latin praemium means reward or prize. Premium applies that extra-value idea to a level of quality or benefit above the ordinary offering.
More examples
- Buyers pay a premium for homes near the park.
- The store offers a tote bag as a premium with each membership.
- She upgrades to premium for extra storage and offline access.
Forms
premium · premiums