- Present participle of congratulate.
Variant of congratulate
transitive verbcongratulated, congratulating
- to express to (a person) one's pleasure at good fortune or success; felicitate: congratulate the winner
- Obsolete to rejoice at; celebrate
- Obsolete to greet; hail
Origin of congratulate; from Classical Latin congratulatus, past participle of congratulari ; from com,- together + gratulari, to wish joy ; from gratus, agreeable: see grace