complimentary
UK: /ˌkɒm.plɪˈmen.tər.i/ | US: /ˌkɑːm.pləˈmen.tər.i/
adj. expressing praise or admiration
adj. given free of charge as a courtesy
The word "complimentary" derives from the Latin "complimentum," meaning "fulfillment" or "courtesy," which evolved into the French "compliment" (praise). The suffix "-ary" (from Latin "-arius") forms adjectives indicating relation or connection. Originally tied to polite expressions, the term expanded to describe gestures like free gifts, reflecting the idea of "giving praise" through generosity.
The hotel offers complimentary breakfast to all guests.
She received a complimentary copy of the book for her review.
His remarks were complimentary but lacked sincerity.
The magazine included a complimentary sample of perfume.
The manager gave a complimentary speech about the team’s hard work.