1. (noun) the quality of being cheerful and dispelling gloom

• cheer
• sunniness
• sunshine

2. (noun) a feeling of spontaneous good spirits

• blitheness

1. (noun) the quality of being cheerful and dispelling gloom

• attribute

2. (noun) a feeling of spontaneous good spirits

• happiness

1. (noun) the quality of being cheerful and dispelling gloom

• good-humoredness
• good-humouredness
• good-naturedness
• good-temperedness

2. (noun) a feeling of spontaneous good spirits

• buoyancy
• perkiness
• carefreeness
• insouciance
• lightheartedness
• lightsomeness

1. (noun) the quality of being cheerful and dispelling gloom

• cheer
• cheer up
• chirk up
• cheer
• cheer up
• jolly along
• jolly up
• cheerful
• cheery
• cheery
• gay
• gay
• sunny
• sunny

2. (noun) a feeling of spontaneous good spirits

• cheerful
• cheerful
• pollyannaish
• pollyannaish
• upbeat
• upbeat

1. (noun) the quality of being cheerful and dispelling gloom

• uncheerfulness

2. (noun) a feeling of spontaneous good spirits

• cheerlessness
• uncheerfulness