complimentary
US /ˌkɑːm.pləˈmen.t̬ɚ.i/
UK /ˌkɑːm.pləˈmen.t̬ɚ.i/

1.
complimentaire, élogieux
expressing or containing a compliment
:
•
She made some complimentary remarks about his performance.
Elle a fait des remarques complimentaires sur sa performance.
•
The reviews for the new restaurant were highly complimentary.
Les critiques du nouveau restaurant étaient très élogieuses.
2.
gratuit, offert
given or supplied free of charge
:
•
Guests receive a complimentary breakfast.
Les clients reçoivent un petit-déjeuner gratuit.
•
The hotel offers complimentary Wi-Fi to all its guests.
L'hôtel offre le Wi-Fi gratuit à tous ses clients.