1. 
[syn: aristocratic, aristocratical, blue, blue-blooded, gentle, patrician]
The Collaborative International Dictionary of English v.0.48:
Blue blood \Blue blood\ (bl[=u]"bl[u^]d`), n.
   1. a member of the nobility or aristocracy, or a person of
      high social status.
      [1913 Webster]
   2. the quality of status that qualifies one as a blue
      blood; -- used metaphorically, as "They have blue blood
      in their veins.".
      -- Blue"-blood`ed, adj.
      [PJC]
The Collaborative International Dictionary of English v.0.48:
blue-blooded \blue-blooded\ adj.
   of aristocratic birth and refined upbringing.
   Syn: aristocratic, coroneted, gentle, highborn, patrician,
        titled, wellborn, upper-class.
        [WordNet 1.5] Blue bonnet
WordNet (r) 3.0 (2006):
blue-blooded
    adj 1: belonging to or characteristic of the nobility or
           aristocracy; "an aristocratic family"; "aristocratic
           Bostonians"; "aristocratic government"; "a blue family";
           "blue blood"; "the blue-blooded aristocracy"; "of gentle
           blood"; "patrician landholders of the American South";
           "aristocratic bearing"; "aristocratic features";
           "patrician tastes" [syn: aristocratic,
           aristocratical, blue, blue-blooded, gentle,
           patrician]