Try this
- Name the event neutrally and offer a few different forms of acknowledgment, including none.
- Let the person define whether it feels exciting, mixed, ordinary or private. Avoid writing a public story on their behalf.
A worked example
“Your course is finished. Would you like to mark it with dinner, a quiet evening, or no particular plan?”
An invented example to adapt, not a real exchange or a script you have to follow.
Before you leave it here
Do not demand pride or happiness because you arranged a celebration. If their preference differs from yours, choose the form they actually welcomed.