analeptic

nouns

a medication used as a stimulant to the central nervous system
analeptic
is a type of (narrower)
a drug that temporarily quickens some vital process
excitant, stimulant, stimulant drug

adjectives

stimulating the central nervous system
"an analeptic drug stimulates the central nervous system"
analeptic
is similar to
capable of arousing or accelerating physiological or psychological activity or response by a chemical agent
stimulative