1. 庆祝：felicitate 祝贺 | felicitation 庆祝 | felicitator 祝贺者
2. 祝辞：祝...交好运well-wish | 祝辞felicitation | 祝祷benison
3. 祝贺,庆贺：54.grow in standing ,stature and sureness of touch日渐庄严,稳健,从不动摇 | 55.felicitation祝贺,庆贺 | 56.dawn黎明, 曙光, 拂晓
4. 祝贺/庆祝/祝辞：felicitate /庆祝/庆贺/ | felicitation /祝贺/庆祝/祝辞/ | felicitous /巧妙的/极为适当的/可喜的/
noun
1. the act of acknowledging that someone has an occasion for celebration
Synonym: congratulation
2. (usually plural) an expression of pleasure at the success or good fortune of another
e.g. I sent them my sincere congratulations on their marriage
Synonym: congratulation