quality

an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare

a degree or grade of excellence or worth; "the quality of students has risen"; "an executive of low caliber"

a characteristic property that defines the apparent individual nature of something; "each town has a quality all its own"; "the radical character of our demands"

(music) the distinctive property of a complex sound (a voice or noise or musical sound); "the timbre of her soprano was rich and lovely"; "the muffled tones of the broken bell summoned them to meet"

high social status; "a man of quality"

of superior grade; "choice wines"; "prime beef"; "prize carnations"; "quality paper"; "select peaches"

of high social status; "people of quality"; "a quality family"