The Collaborative International Dictionary of English v.0.48:

Utopist \U*to"pist\, n.
   A Utopian.
   [1913 Webster]

The Free On-line Dictionary of Computing (30 December 2018):

UTOPIST

    A specification language for attribute grammars
   developed by E. Tyugu of the Academy of Science Estonia,
   Tallinn in 1983.

   ["Synthesis of a Semantic Processor from an Attribute
   Grammar", Prog and Comp Soft, 9(1):29-39, Jan 1983].

   (2007-02-02)