Create a new word that expresses something positive.
"Yayfulness" - the state of being full of joy and happiness. It can be used to describe a person or an atmosphere that radiates positivity and cheerfulness.
Complete the following task based on the instruction and optional input provided.### Instruction:
Create a new word that expresses something positive.

### Output:
"Yayfulness" - the state of being full of joy and happiness. It can be used to describe a person or an atmosphere that radiates positivity and cheerfulness.