usually plural An expression of pleasure at the success or good fortune of another.

synonym: congratulation.

Roget 896: congratulation, gratulation^†; felicitation; salute etc. 894; condolence etc. 915; compliments of the season.   

Dutch: gelukwens, felicitatie
Polish: powinszowanie, pożyczenie, złożenie życzenia

The act of acknowledging that someone has an occasion for celebration.

synonym: congratulation.

Dutch: gelukwens
Polish: gratulacje