Formal/Professional:
* Raise a glass: A classic and elegant phrase.
* Let's toast: Slightly more formal than "cheers."
* To [something/someone]: Provides context for the toast.
* I propose a toast: Often used in speeches or formal gatherings.
Informal/Friendly:
* Cheers! The most common and versatile phrase.
* Bottoms up! A playful and slightly more informal expression.
* To your health! A warm and well-wishing sentiment.
* Let's drink to that! A more enthusiastic way to say "cheers."
* Here's to [something/someone]: Adds a personal touch to the toast.
* Cheers mate! (Australian/British)
* Salud! (Spanish)
* Gesundheit! (German)
* Skål! (Scandinavian)
* Chin chin! (Italian)
Humorous/Playful:
* To the weekend!
* May your drinks be strong and your problems be weak!
* Let's get this party started!
* To freedom!
* To the good times!
The best choice will depend on the specific situation and the relationship between the people involved.