Source : Webster's Revised Unabridged Dictionary (1913)

Harbinger \Har"bin*ger\, v. t. [imp. & p. p. {Harbingered}; p.
   pr. & vb. n. {Harbingering}.]
   To usher in; to be a harbinger of. ``Thus did the star of
   religious freedom harbinger the day.'' --Bancroft.