noun (n)

• the act of acknowledging that someone has an occasion for celebration

  tindakan mengakui bahwa seseorang telah sebuah kesempatan untuk perayaan

  Synonym:
  felicitation
  

  source: wordnet30
• (usually plural) an expression of pleasure at the success or good fortune of another

  (biasanya jamak) ekspresi kesenangan di keberhasilan atau beruntung lain

  Example:
  I sent them my sincere congratulations on their marriage.
  

  source: wordnet30
• The act of congratulating; an expression of sympathetic pleasure.

  tindakan mengucapkan selama untuk; ungkapan simpati dari kesenangan.

  source: webster1913