The Collaborative International Dictionary of English v.0.48:

Universalist \U`ni*ver"sal*ist\, n. [Cf. F. universaliste.]
   [1913 Webster]
   1. (Theol.) One who believes in Universalism; one of a
      denomination of Christians holding this faith.
      [1913 Webster]

   2. One who affects to understand all the particulars in
      statements or propositions. [Obs.] --Bentley.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Universalist \U`ni*ver"sal*ist\, a.
   Of or pertaining to Unversalists of their doctrines.
   [1913 Webster]

WordNet (r) 3.0 (2006):

universalist
    adj 1: of or relating to or tending toward universalism [syn:
           universalistic, universalist]

The Devil's Dictionary (1881-1906):

UNIVERSALIST, n.  One who forgoes the advantage of a Hell for persons
of another faith.