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Webster 1913 Edition

Adj.

Having the quality of stimulating.

–

Noun.

That which stimulates.

Adj.

Having the quality of exciting action in the animal system.

Noun.

That which stimulates; that which rouses into more vigorous action; that which excites.

stimulative ‎(comparative more stimulative, superlative most stimulative)

stimulative ‎(plural stimulatives)