good taste, Atticism, acquired taste, appreciation of excellence, appropriateness, chasteness, chastity, choiceness, civilized taste, civilizedness, clarity...
This is <span class="searchmatch">Moby</span> <span class="searchmatch">Thesaurus</span> <span class="searchmatch">II</span>, a public domain <span class="searchmatch">thesaurus</span>....