Zonally refers to something that occurs or is distributed in a specific zone or zone-like pattern. Synonyms for this term might include words such as regionally, territorially, locally, or geographically. Each of these words implies a similar sense of spatial distribution or organization, but each has its own nuances and connotations. For example, "regionally" might suggest a broader area of coverage than "locally," which might imply a more focused or limited context. "Territorially" could imply a more political or legal dimension, while "geographically" might suggest a more physical or environmental one. Depending on the specific context, each of these synonyms for "zonally" could be more or less appropriate or effective.