comfortful
/ˈkɒmfətl/Definitions
1. adjective
giving or promoting a feeling of physical or mental well-being, especially as a result of being well-suited or well-designed
“The comfortful design of the sofa made it a perfect spot to relax after a long day.”
2. adjective
pleasing or enjoyable, especially because of being easy to understand or use
“The comfortful interface of the new software made it easy for users to navigate.”