Search Result for "refuter": 
Wordnet 3.0

NOUN (1)

1. a debater who refutes or disproves by offering contrary evidence or argument;
[syn: rebutter, disprover, refuter, confuter]



The Collaborative International Dictionary of English v.0.48:

Refuter \Re*fut"er\ (r[-e]*f[=u]t"[~e]r), n.
   One who, or that which, refutes.
   [1913 Webster]


WordNet (r) 3.0 (2006):

refuter
    n 1: a debater who refutes or disproves by offering contrary
         evidence or argument [syn: rebutter, disprover,
         refuter, confuter]