sincerity
//sɪnˈsɛrɪti//
Noun
sinceritySingular
1
The quality of being free from pretense, deceit, or hypocrisy; genuine honesty and truthfulness in one's feelings, words, and actions.
I could see the sincerity in her eyes when she apologized.
2
The state of being earnest and wholehearted in one's intentions or beliefs.
Her sincerity in helping others is truly admirable.