A jovial expression is one of cheerfulness.
"jovial" doesn't have a comparative and superlative form. Instead, you would say "more jovial" or "most jovial."
He is so Jovial! Always be jovial in life.
Jovial
Her countenance was glowing!
Countenance is the appearance of a calm facial expression. A sample sentence using the word countenance is, Jane's face looked countenance when the dog jumped out in front of her.
Here are some sentences.He's a jovial fellow.Her jovial personality makes her lovable.
face or visage for one meaning of countenance tolerate or accept for another meaning of countenance
His countenance turned from pleasant to angry at the words spoken by his boss. In this example countenance refers to facial expression. The company does not countenance corporate espionage. This example means to approve of or tolerate something, in this case corporate espionage.
Jovial - watch - was created in 1929.
She is very nice looking. She is also very jovial .
The boy was very jovial when he received a new toy.
Santa Claus is a jovial old fellow. Jovial means good natured and merry. It is an adjective.