eupeptic (?.)

• accepting
• alive and kicking
• at ease
• beaming
• blithe
• blithesome
• bright
• bright and sunny
• bright-eyed and bushy-tailed
• charmed
• cheerful
• cheery
• chipper
• comfortable
• composed
• content
• contented
• cozy
• delighted
• easy
• easygoing
• elated
• enjoying health
• euphoric
• exalted
• exhilarated
• favorably impressed with
• fine
• fit
• fit and fine
• flushed
• full of beans
• genial
• glad
• gladsome
• glowing
• gratified
• happy
• healthful
• healthy
• high
• hopeful
• in clover
• in condition
• in fine fettle
• in fine whack
• in good case
• in good health
• in good shape
• in good spirits
• in health
• in high feather
• in high spirits
• in mint condition
• in shape
• in the pink
• intrigued
• irrepressible
• laughing
• of good cheer
• of good comfort
• optimistic
• pleasant
• pleased
• pleased as Punch
• pleased with
• radiant
• reconciled
• resigned
• riant
• rosy
• sanguine
• sanguineous
• sans souci
• satisfied
• smiling
• sold on
• sparkling
• sunny
• taken with
• thrilled
• tickled
• tickled pink
• tickled to death
• uncomplaining
• unrepining
• winsome
• without care