What is a synonym for breakfast?

Formal:

* Morning meal

* First meal

* First repast

* Break-fast (archaic)

Informal:

* Brekkie

* Early bird

* Morning munchies

* First bite

* Rise and shine

Other options:

* Brunch (a combination of breakfast and lunch)

* Continental breakfast (a light breakfast common in hotels)

* Full English breakfast (a large, traditional British breakfast)

The best synonym for "breakfast" will depend on the context and the desired tone.