Synonyms of the word

gaiety

• n. (uncountable) The state of being happy or merry.
• n. (countable) Merrymaking or festivity.

happiness

• n. (uncountable) The emotion of being happy; joy.
• n. (archaic, uncountable) prosperity, thriving, wellbeing.
• n. (archaic, uncountable) Good luck; good fortune.
• n. (obsolete, countable) Fortuitous elegance; unstudied grace; — used especially of language.

levity

• n. Lightness of manner or speech, frivolity; lack of appropriate seriousness; inclination to make a joke…
• n. (obsolete) Lack of steadiness.
• n. The state or quality of being light, buoyancy.
• n. (countable) A lighthearted or frivolous act.

merriment

• n. a state of enjoyable exuberance.
• n. playful fun.

playfulness

• n. The quality of being playful.