Gratitude, thankfulness, or gratefulness, from the Latin word gratus "pleasing, thankful", is a feeling of appreciation felt by and/or similar positive response shown by the recipient of kindness, gifts, help, favors, or other types of generosity, towards the giver of such gifts.
Tänulikkus või tänutunne on meeldiv tunne, mille inimeses kutsub esile kellegi heategu või millegi saamine.