সদয় (“kind”)-ভাবে (“-ly”, forms adverbs from adjectives)
সদয়ভাবে
Subhasha Bhattacarya, Sailendra Biswas, Sailendra Biswas, and Jnanendramohana Dasa (2022), “sadaẏa”, in Digital Dictionaries of South Asia [Combined Bengali Dictionaries]