suggester

from WordNet (r) 3.0 (2006)

suggester
    n 1: someone who advances a suggestion or proposal; "the
         suggester of this absurd strategy was a fool" [syn:
         {suggester}, {proposer}]

from The Collaborative International Dictionary of English v.0.48

Suggester \Sug*gest"er\, n.
   One who suggests. --Beau. & Fl.
   [1913 Webster]

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