Synonyms and related words :
abject, accepting, accommodating, acquiescent, adapting, adaptive, adjusting, agreeable, amenable, assenting, at ease, comfortable, complaisant, compliable, compliant, complying, composed, consenting, content, contented, easy, easygoing, eupeptic, euphoric, happy, humble, meek, nondissenting, nonresistant, nonresisting, nonresistive, obedient, of good comfort, passive, pleased, reconciled, resigned, sans souci, satisfied, servile, submissive, subservient, supine, unassertive, unrepining, unresistant, unresisting, without care