consent, acquiesce, comply, acquiescence, accede, agree, say yes, accept, listen, take up, more...

dissent, disagree, oppose, refuse, reject

explicit assent, implicit assent, conditional assent, partial assent, full assent, qualified assent, unqualified assent, expressed assent, more...

royal, general, intellectual, universal, full, mutual, ready, mere, reluctant, common, unanimous

nod in agreement,   quiet approval,   hesitantly agree,   muttered agreement,   hummed in yes