A good feeling or a sense of mental buoyancy is called euphoria. The feeling of euphoria brings about feelings of well-being, happiness, elation, and excitement. Technically, it is considered as an affect or the experience of emotion.

It can vary based on the individual and the drug used, but common emotions may include euphoria, relaxation, anxiety, paranoia, or confusion.

a euphoria. it starts with a hard Y sound.

I'm still in euphoria

euphoria is to ephemism as