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The Collaborative International Dictionary
Suffragate

Suffragate \Suf"fra*gate\, v. i. & t. [imp. & p. p. Suffragated; p. pr. & vb. n. Suffragating.] [L. suffragatus, p. p. of suffragari. See Suffragan,

  1. ] To vote or vote with. [Obs.] ``Suffragating tribes.''
    --Dryden.

Wiktionary
suffragate

vb. (context obsolete English) To vote or vote with.