perceiver

from WordNet (r) 3.0 (2006)

perceiver
    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

Perceiver \Per*ceiv"er\ (p[~e]r*s[=e]v"[~e]r), n.
   One who perceives (in any of the senses of the verb).
   --Milton.
   [1913 Webster]

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