Source : Webster's Revised Unabridged Dictionary (1913)

Meeter \Meet"er\, n.
   One who meets.

Source : WordNet®

meeter
     n : a person who participates in a meeting; "he was a regular
         attender at department meetings"; "the gathering
         satisfied both organizers and attendees" [syn: {attendant},
          {attender}, {attendee}]