appreciatively adv. + Add to list US //əˈpɹiʃiˌeɪtɪvɫi// UK //ɐpɹˈiːʃiətˌɪvli// ap·pre·cia·tive·ly SynonymsAntonymsEtymology Synonyms gratefully Antonyms unappreciativelyungratefullyOrigin From appreciative + -ly.