Gratitude
feeling or attitude in acknowledgment of a benefit that one has received or will receive / From Wikipedia, the free encyclopedia
Gratitude, thankfulness, or gratefulness, from the Latin word gratus "pleasing, thankful",[1] is a feeling of appreciation felt by and/or similar positive response shown by kindness,[2][3][4] gifts, help, favors, or other types of generosity.[5]
It has also been a topic of interest to ancient, medieval and modern philosophers, and is a popular topic for modern day philosophers.[6]