From WordNet (r) 3.0 (2006):
quality
adj 1: of superior grade; "choice wines"; "prime beef"; "prize
carnations"; "quality paper"; "select peaches" [syn:
choice, prime(a), prize, quality, select]
2: of high social status; "people of quality"; "a quality
family"
n 1: an essential and distinguishing attribute of something or
someone; "the quality of mercy is not strained"--
Shakespeare
2: a degree or grade of excellence or worth; "the quality of
students has risen"; "an executive of low caliber" [syn:
quality, caliber, calibre]
3: 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" [syn:
quality, character, lineament]
4: (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" [syn: timbre, timber, quality,
tone]
5: high social status; "a man of quality"