"Let's raise our glasses!"

ATOAST

Celebrate with a drink and a few words of cheer.

The clue "Let's raise our glasses!" hints at a celebratory gesture where people lift their drinks together, commonly called a "toast." The answer "ATOAST" combines the word "a" with "toast," forming a simple and direct phrase. The wordplay is straightforward, using the literal meaning of the phrase to lead to the answer.