Gratitude

Feeling or attitude in acknowledgement of a benefit that one has received or will receive

Gratitude, thankfulness, or gratefulness is a feeling of appreciation (or similar positive response) by a recipient of another's kindness. This kindness can be gifts, help, favors, or another form of generosity to another person. The word comes from the Latin word gratus, which means "pleasing" or "thankful".

From Wikipedia, under CC BY-SA. More on occurri.