[propose] a toast

to offer good wishes or express congratulations, often accompanied by raising and clinking glasses, before or during a celebratory drink

He stood up to propose a toast to the newlyweds at the wedding reception.
Let's propose a toast to celebrate our team's victory in the championship.
The host proposed a toast to thank everyone for attending the dinner party.
At the graduation ceremony, the valedictorian proposed a toast to the class's achievements.
The best man will propose a toast to the bride and groom during the wedding reception.