The Collaborative International Dictionary of English v.0.48:

Betoken \Be*to"ken\, v. t. [imp. & p. p. Betokened; p. pr. &
   vb. n. Betokening.]
   1. To signify by some visible object; to show by signs or
      tokens.
      [1913 Webster]

            A dewy cloud, and in the cloud a bow . . .
            Betokening peace from God, and covenant new.
                                                  --Milton.
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   2. To foreshow by present signs; to indicate something future
      by that which is seen or known; as, a dark cloud often
      betokens a storm.
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   Syn: To presage; portend; indicate; mark; note.
        [1913 Webster]