Ma'anar ƙamus na kalmar "nishadi" ita ce samar da nishaɗi, jin daɗi ko jin daɗi ga wani ta hanyar ayyuka daban-daban kamar fina-finai, kiɗa, wasanni, tattaunawa, ko wasu nau'ikan karkatarwa. Hakanan yana iya nufin sanya wani shagaltuwa ko shiga wani aiki ko taron.