complimentary

adjective
1
given free
رایگان, مجانی, بدون هزینه
2
expressing approval, praise, etc.
تحسین‌آمیز, تمجیدآمیز, ستایشی, تعریف‌آمیز
After one or two complimentary remarks about her hosts, she got to the main part of her speech.
She was extremely complimentary about his work.
Not all of his comments were complimentary.
opposite uncomplimentary