1) Able to excite or stimulate 2) Array 3) Excitative 4) Excitatory 5) Exciting 6) Stimulating 7) Stimulative 1) Excitative 2) Excitatory 3) Stimulative 
• (n.) An agent or influence which arouses vital activity, or produces increased action, in a living organism or in any of its tissues or parts; a stimulant. • (a.) Tending to excite; exciting.
(ek-sīt´әnt) stimulant.
Ex·cit'ant adjective [ Latin excitans , -antis , present participle of excitare : confer French excitant .] Tending to excite; exciting. Ex·cit'ant noun (Physiol.) An agent or influence which arouses vital activity, or produces increased action, in a living organism or in any of its tissues or parts; a stimulant. 
Type: Term Pronunciation: ek-sī′tănt Synonyms: stimulant
An excitant is an agent or influence which arouses vital activity, or produces increased action, in a living organism or in any of its tissues or parts.
[adj] - (of drugs e.g.) able to excite or stimulate
excitative adjective (of drugs e.g.) able to excite or stimulate
exciting; stimulating.