The Collaborative International Dictionary of English v.0.48:

Beckon \Beck"on\, v. t. [imp. & p. p. Beckoned (?); p. pr. &
   vb. n. Beckoning.]
   To make a significant sign to; hence, to summon, as by a
   motion of the hand.
   [1913 Webster]

         His distant friends, he beckons near.    --Dryden.
   [1913 Webster]

         It beckons you to go away with it.       --Shak.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Beckon \Beck"on\, n.
   A sign made without words; a beck. "At the first beckon."
   --Bolingbroke.
   [1913 Webster]

WordNet (r) 3.0 (2006):

beckon
    v 1: signal with the hands or nod; "She waved to her friends";
         "He waved his hand hospitably" [syn: beckon, wave]
    2: appear inviting; "The shop window decorations beckoned"
    3: summon with a wave, nod, or some other gesture

Moby Thesaurus II by Grady Ward, 1.0:

27 Moby Thesaurus words for "beckon":
   appeal, attract, be attractive, bid, call, engage, fetch,
   gesticulate, gesture, interest, invite, mime, motion, motion to,
   pantomime, saw the air, shrug, shrug the shoulders, signal, summon,
   tantalize, tease, tempt, tickle, titillate, wave the arms,
   whet the appetite