SYN: stimulant. [L. excito, pp. -atus, pres. p. -ans, to arouse]
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ex·ci·tant ik-'sīt-ənt, 'ek-sət-ənt adj tending to excite or augment <\excitant drugs>
excitant n an agent that arouses or augments physiological activity (as of the nervous system)
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ex·cit·ant (ek-sītґənt) stimulant.Medical dictionary. 2011.