complimentary
adjective
uk/ˌkɒmplɪˈmentəri/ ussaying good things about someone or something:
highly/very complimentary The reviews of her latest book are highly complimentary.
He was less than complimentary about the progress that many of the companies he has surveyed are making.
if tickets, products, services, etc. are complimentary, they are given free:
Parking is usually complimentary or included in the ticket price.
See also
comp adjective