Synonyms for complimentary

modified

1. Paying a compliment

   commendatory, flattering, laudatory, praising, approving, encomiastic, eulogistic, adulatory, celebrating, honoring, admiring, respectful, honeyed, fawning, sycophantic, unctuous, congratulatory, well-wishing, fair-spoken, panegyric, highly favorable, approbatory, approbative, appreciative, abounding in praise, singing the praises of, with highest recommendations, with high praise, gushing; see also appreciative, polite 1.

2. Given free

   gratis, on the house, as a comp*; see free 4.