Synonyms to nonopposing

abject, accepting, acquiescent, agreeable, assenting, complaisant, compliable, compliant, complying, consenting, nondissenting, nonresistant, nonresisting, nonresistive, obedient, passive, resigned, servile, submissive, subservient, supine, unassertive, uncomplaining, unresistant, unresisting