contentfulness

uncountable

The state, quality, or condition of being contentful.

Japanese Meaning

満足している状態 / 心が平穏で満たされている状態 / 充足感、満足感

After months of volunteering, she discovered a deep contentfulness that changed how she viewed success.

数か月のボランティア活動を経て、彼女は成功の見方を変えるほどの深い満足感を見いだした。

Sense（1）

The state, quality, or condition of being contentful.