To smile widely or expressively; to be in a state of great happiness.
on tenterhooks
In a state of (great) apprehension or suspense; on pins and needles; o…
golden age
A period of happiness, peace, prosperity, and great progress.
cloud nine
Often in the phrase on cloud nine: a state of bliss, elation or happin…
cloud seven
Often in the phrase on cloud seven: a state of bliss, elation or happi…
bluebird of happiness
Happiness or contentment, especially as the elusive object of a quest …
fool's paradise
A state of happiness due to illusion or false hope.