There are several synonyms for the phrase "normal situation" that can be used to describe a typical or expected circumstance. One such synonym is "routine," which implies a regular, established pattern of behavior or events. Another option is "standard," which suggests a recognized or accepted level of performance or behavior. "Ordinary" or "commonplace" denote a scenario that is not particularly unusual or extraordinary. "Usual" and "typical" both convey a sense of what is expected or common in a given situation. Finally, "conventional" refers to practices or behaviors that are widely accepted or traditional within a given context.