Washingtonian has 8 different meanings across 2 categories:
a native or resident of the city of Washington
a native or resident of the state of Washington
A native or resident of the state of Washington in the United States of America.
of or relating to or in the manner of George Washington
of or relating to the people who run the federal government
"Washingtonian politics as usual"
of or relating to or in the state of Washington
Of, or pertaining to, the U.S. state of Washington or its culture.