Congratulatory

They held a congratulatory banquet.

When the counter value reaches the assigned 'lucky-number' it displays a congratulatory message.

Tom needs to send a congratulatory telegram on decorated letterhead.

I need to send a congratulatory telegram on decorated letterhead.

Europe was ringing with his name and his room was literally ankle-deep with congratulatory telegrams.

Damiano received a congratulatory message from the manager.