Jeffersonian \Jef`fer*so"ni*an\, a.
Pertaining to, or characteristic of, Thomas Jefferson (third
President of the United States) or his political doctrines,
which were those of the Republicanism of his time, as opposed
to those of the Federalists. -- n. An adherent of Jefferson
or his doctrines. -- {Jef`fer*so"ni*an*ism}, n.
[Webster 1913 Suppl.]