amble, calm, composed, cushy,
disimpassioned, dispassionate, easeful, easy, easy-going, easygoing, equable, even-tempered, imperturbable, indoor, inoffensive, leisurely, nerveless, pacific, peaceful, placid, quiescent, quiet, quieted, restful, safe, secure, sedate, self-possessed, serene, sheltered, sober, staid, still, tranquil, uneventful, unflappable, unruffled, untroubled