Helen Russell's 2018 book The Atlas of Happiness: The Global Secrets of How to Be Happy offers a world tour, in alphabetical order by country, of a few dozen words and phrases dealing with cheery-adjacent concepts:

• Australia — "Fair go" — justice (along with "No worries")
• Bhutan — "Gross National Happiness" — attending to societal well-being
• Brazil — "Saudade" — melancholy and sorrow (to be recognized and avoided)
• Canada — "Joie de vivre" — enjoyment of life
• China — "Xingfu" — life-happiness, well-being
• Costa Rica — "Pura vida" — optimism, happiness, "pure life"
• Denmark — "Arbejdsglæde" — contentment, job-life balance, "happiness at work"
• England — "Jolly" — general cheerfulness in the face of adversity
• Finland — "Kalsarikännit" — cozy at-home relaxation, literally "pants drunk"
• Germany — "Gemütlichkeit" — comfort-inducing pleasantness, in moderation
• Greece — "Meraki" — creative precision, devotion, undivided attention
• Hawaii — "Aloha" — love, kindness, compassion, respect
• Iceland — "Þetta reddast" — "it will all work out"
• India — "Jugaad" — frugal innovation
• Ireland — "Craic" — news and conversation
• Italy — "Dolce far niente" — "the sweetness of doing nothing"
• Japan — "Wabi-sabi" — beauty in simplicity and imperfection
• New Zealand — "Türangawaewae & Haka" — places of empowerment and connection, shared energy
• Norway — "Friluftsliv" — open-air living
• Russia — "Azart" — excitement, passion
• South Africa — "Ubuntu" — interconnection and sharing
• Spain — "Tapeo & Sobremesa" — meeting for food and conversation
• Sweden — "Smultronställe & Lagom" — a quiet place to relax & "just enough"
• Switzerland — "Federerism" — coined by the author, "control, precision, ... industriousness, order"
• Syria — "Tarab" — musically-triggered emotions
• Thailand — "Mi pen rai" — "don't worry"
• The Netherlands — "Gezellig" — cozy, quaint
• Turkey — "Keyif" — idle relaxation
• USA — "Homeyness" — comforting simplicity
• Wales — "Hwyl" — enthusiastic fervor

... rather a mixed bag, arguably redundant, tangential, arbitrary, and questionable — but overall positive sentiments!

_{(cf They Have a Word for It (2023-09-06), Island Wisdom (2025-03-11), ...) - ^z - 2025-03-13}