| noun | an essential and distinguishing attribute of something or someone; --Shakespeare “the quality of mercy is not strained” |
| noun | a degree or grade of excellence or worth “the quality of students has risen” |
| noun | a characteristic property that defines the apparent individual nature of something “each town has a quality all its own” |
| noun | (music) the distinctive property of a complex sound (a voice or noise or musical sound) “the timbre of her soprano was rich and lovely” |
| noun | high social status “a man of quality” |
| adjective | of superior grade “choice wines” |
| adjective | of high social status “people of quality” |
| qualify | verb | describe or portray the character or the qualities or peculiarities of |
| characteristic | adjective | typical or distinctive |
| characterize | verb | be characteristic of |
| characterise | verb | be characteristic of |
| tonal | adjective | having tonality; i.e. tones and chords organized in relation to one tone such as a keynote or tonic |
| tone | verb | vary the pitch of one's speech |
| choiceness | noun | the quality of being very good indeed |