cheerfulness

As an adjective morbid

is of, or relating to disease.

As a noun cheerfulness is

the state of being cheerful; joy.

Quickness is a related term of cheerfulness.

As nouns the difference between quickness and cheerfulness

is that quickness is rapidity of movement or activity; agility or dexterity while cheerfulness is the state of being cheerful; joy.

Ecstasy is a related term of cheerfulness.

As a proper noun ecstasy

is (slang) the drug mdma, a synthetic entactogen of the phenethylamine family.

As a noun cheerfulness is

the state of being cheerful; joy.

As nouns the difference between elation and cheerfulness

is that elation is an exhilarating psychological state of pride and optimism while cheerfulness is the state of being cheerful; joy.

As a noun cheerfulness

is the state of being cheerful; joy.

As an adjective merry is

jolly and full of high spirits.

As a proper noun Merry is

{{surname|from=nicknames}} Originally a nickname for a merry person.

As nouns the difference between cheerfulness and cheeriness

is that cheerfulness is the state of being cheerful; joy while cheeriness is the state of being cheery.

As nouns the difference between fatalism and cheerfulness

is that fatalism is the doctrine that all events are subject to fate or inevitable necessity, or determined in advance in such a way that human beings cannot change them while cheerfulness is the state of being cheerful; joy.

Cheerfulness is a related term of playfulness.

As nouns the difference between cheerfulness and playfulness

is that cheerfulness is the state of being cheerful; joy while playfulness is the quality of being playful.

Readiness is a synonym of cheerfulness.

As nouns the difference between readiness and cheerfulness

is that readiness is the state or degree of being ready while cheerfulness is the state of being cheerful; joy.

Energy is a related term of cheerfulness.

As nouns the difference between energy and cheerfulness

is that energy is the impetus behind all motion and all activity while cheerfulness is the state of being cheerful; joy.