grat·u·late /ˈgræʧəˌlet/
  Grat·u·late v. t. [imp. & p. p. Grqatulated p. pr. & vb. n. Gratulating ]  To salute with declaration of joy; to congratulate. [R.]
  Grat·u·late a. Worthy of gratulation. [Obs.]
     There's more behind that is more gratulate.   --Shak.
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