complimentary
Pronunciation:
/ˌkɒmplɪ̈ˈmɛnt(ə)ɹi//ˌkɑmplɪ̈ˈmɛnt(ə)ɹi/adjective
Definitions
In the nature of a compliment.
Example: a complimentary remark
Antonyms:uncomplimentaryFree; provided at no charge.
Example: complimentary drinks
Synonyms:free of chargeWith respect to the closing of a letter, formal and professional.