sym·pa·tho·mi·met·ic 
(sĭm′pə-thō-mĭ-mĕtĭk, -mī-)
(sĭm′pə-thō-mĭ-mĕtĭk, -mī-)adj.
Producing physiological effects resembling those caused by the activity or stimulation of the sympathetic nervous system: a sympathomimetic hormone.
n.
A sympathomimetic drug or agent.
[SYMPATH(ETIC) + MIMETIC.]