Stimulation

noun

1. The act of stimulating, or the state of being stimulated; urging; encouragement; incitement; increased or quickened action or activity.
2. In medicine, the act or method of stimulating; the condition of being stimulated; the effect of the use of stimulants.
3. Synonyms See stimulate.
4. The act of stimulating, or the state of being stimulated.
5. The irritating action of various agents (stimuli) on muscles, nerves, or a sensory end organ, by which activity is evoked; especially, the nervous impulse produced by various agents on nerves, or a sensory end organ, by which the part connected with the nerve is thrown into a state of activity; irritation.