1. An expression of approval and commendation
   - praise, kudos, extolment, pat on the back

1. The act of acknowledging that someone has an occasion for celebration
   - felicitation 
2. (usually plural) an expression of pleasure at the success or good fortune of another
   "I sent them my sincere congratulations on their marriage"
   - felicitation

See also: congratulate

Type of: approval, commendation, expression, speech act, verbal expression, verbalism

Encyclopedia: Congratulation

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