remonstration

cavil censure challenge criticism declination demur demurral difficulty disapprobation disapproval discontent disesteem disinclination dislike displeasure dissatisfaction doubt exception expostulation grievance gripe hesitation kick odium opposition protest protestation question rejection reluctance remonstrance revilement scruple shrinking squawk stink unwillingness

counter-argument demurring niggle repugnancy

acceptance agreement allowance answer approval calm certainty compliment contentment endorsement flattery happiness harmony peace pleasure praise ratification sanction satisfaction