tactful
benignant
indulgent, charming and graceful
compassionate
elegant and with good taste
kind and warmly courteous
full of grace
magnanimous, without arrogance or complaint, benevolently declining to raise controversy or insist on possible prerogatives.
Expression of surprise, contempt, outrage, disgust, boredom, or frustration.
Irritable (particularly in a condescending way), snippy.
Made up of short snippets.