Concessionary (adjective)

1. Relating to a concession, or a legal right to operate a business or service in a specific area or location.
2. Given as a concession or at a reduced price or rate.

Origin:

Concession + -ary.

Examples:

1. The concessionary rate for senior citizens is discounted by 50%.
2. Concessionary tickets are available for low-income families.
3. The concessionary agreement allows the company to operate the service in the park.
4. Concessionary rights are granted by the government to private companies.
5. Concessionary loans are offered to small businesses at lower interest rates.