The term "common councils" can be used to refer to the group of individuals who make decisions on behalf of a community or organization. There are several synonyms that can be used to convey the same meaning as "common councils". One such synonym is "board of directors". This term is typically used to refer to the group of individuals who oversee the running of a company or organization. Another synonym for "common councils" is "governing body". This term is broader in scope and can refer to any group of individuals who have the authority to make decisions on behalf of a larger group or community. Other possible synonyms for "common councils" include "committee", "council", and "assembly".