This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. having a spirited love of life; ebullient

adj. marked by spirited enjoyment

"For me, it was the literary equivalent of a smallpox vaccination: I have never, so far as I know, used the word zestful in a novel or a story."

spirited   

restful   

game show    old-time    empyreumatic    office-seeker    well-dug