premise: a <mask> nature, temper, or disposition; a <mask> manner; a <mask> address; a <mask> voice.
hypothesis: the best context for <mask> here is Quiet and refined in manners; not rough, harsh, or stern; mild; but not In water-color painting, work in, or a work done chiefly in, washes, as distinguished from that done in stipple, in body color, etc..