hierarchal

from WordNet (r) 3.0 (2006)

hierarchal
    adj 1: classified according to various criteria into successive
           levels or layers; "it has been said that only a
           hierarchical society with a leisure class at the top can
           produce works of art"; "in her hierarchical set of values
           honesty comes first" [syn: {hierarchical}, {hierarchal},
           {hierarchic}] [ant: {nonhierarchic}, {nonhierarchical}]

from The Collaborative International Dictionary of English v.0.48

Hierarchal \Hi"er*arch`al\, Hierarchic \Hi`er*arch"ic\, a.
   Pertaining to a hierarch. "The great hierarchal standard."
   --Milton.
   [1913 Webster] hierarchic