untroubled Synonyms

secure well-adjusted sunny tranquil unconcerned unruffled unshaken undisturbed unafraid stilly still smooth smiling serene self-possessed satisfied restful relaxed unagitated unalarming unstirred unperturbed unflustered unexcited unbothered unflappable cheery at ease trouble-free imperturbable unworried happy-go-lucky carefree lighthearted laid-back good-humoured at peace rainless radiant quiet easy-going easy dreamless cool-headed cool contented content composed comfortable collected