Wiktionary
felicitations
interj. congratulations! Well done! n. (plural of felicitation English)
Usage examples of "felicitations".
The chemist, as man of discretion, only offered a few provincial felicitations through the half-opened door.
May I present the respectful greetings and felicitations of the government of the British Isles, and of the united governing bodies of the Dominion of Earth.