complimentary
adjective
[ kɒmplɪˈmɛnt(ə)ri ]
• expressing a compliment; praising or approving.
• "Jennie was very complimentary about Kath's riding"
Similar:
flattering,
appreciative,
congratulatory,
admiring,
approving,
commendatory,
laudatory,
highly favourable,
glowing,
eulogizing,
adulatory,
fulsome,
honeyed,
saccharine,
sugary,
rave,
panegyrical,
acclamatory,
encomiastic,
laudative,
• given or supplied free of charge.
• "a complimentary bottle of wine"