thankfulness, appreciation, gratefulness, acknowledgment, response, sense of obligation, sense of indebtedness, feeling of obligation, responsiveness, thanks, praise, guerdon, requital, recognition, honor, thanksgiving, grace.
Antonyms ingratitude, indifference*, thanklessness.
"gratitude." YourDictionary, n.d. Web. 19 June 2018. <http://thesaurus.yourdictionary.com/GRATITUDE>.
gratitude. (n.d.). Retrieved June 19th, 2018, from http://thesaurus.yourdictionary.com/GRATITUDE
A being grateful: