1) Appreciation 2) Credit 3) Feeling 4) Feeling of obligation 5) Merit 6) Recognition 7) Sense of obligation 8) Thankfulness 9) Thankfulness and appreciation 10) Thanks Found on https://www.crosswordclues.com/clue/gratitude
Gratitude, thankfulness, gratefulness, or appreciation is a feeling or attitude in acknowledgment of a benefit that one has received or will receive. The experience of gratitude has historically been a focus of several world religions, and has been considered extensively by moral philosophers such as Adam Smith. The systematic study of gratitude w... Found on http://en.wikipedia.org/wiki/Gratitude
Grat'i·tude noun [ French gratitude , Late Latin gratitudo , from gratus agreeable, grateful. See Grate , adjective ] The state of being grateful; warm and friendly feeling toward a benefactor; kindness awakened by a favor received; thankfulness. ... Found on http://www.encyclo.co.uk/webster/G/53