symmetry

noun2

1. •
   Exact correspondence on either side of a dividing line, plane, center or axis.
2. •
   The satisfying arrangement of a balanced distribution of the elements of a whole.

   • She was like a Beardsley Salome, he had said. And indeed she had the narrow eyes and the high cheekbone of that creature, and as nearly the sinuosity as is compatible with human symmetry. — 1921