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