respectfully disagree

• politelyWith good manners
• disagreeHold a contrary opinion
• dissentDisagreement with authority
• objectTangible entity or aim
• counterFlat service surface

diplomatic · courteous · pushback · debate · challenge · differ · contest · civil · tactful · oppose · demur · cordial · measured · professional · rebuttal · objection · nuanced · counterpoint

• diplomatic languagewith all due respect, no comment, at this time, in good faith, mutual understanding