Definitions

1. noun

A state of calm happiness or well-being, especially one that is not extreme or excessive.

“The serene landscape helped her enter a state of euthymy, free from worries and troubles.”

2. noun

A mental state characterized by a normal and stable mood, as opposed to euphoria or dysphoria.

“Her euthymy allowed her to tackle the challenges of her new job with confidence and poise.”