add. ·noun an adherent of jefferson or his doctrines.
2. jeffersonian ·adj pertaining to, or characteristic of, thomas jefferson or his policy or political doctrines.
3. jeffersonian ·add. ·adj pert. 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.