beholder

from WordNet (r) 3.0 (2006)

beholder
    n 1: a person who becomes aware (of things or events) through
         the senses [syn: {perceiver}, {percipient}, {observer},
         {beholder}]

from The Collaborative International Dictionary of English v.0.48

Beholder \Be*hold"er\, n.
   One who beholds; a spectator.
   [1913 Webster]

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