[{"Bold_text": "verb (used with object)", "List Items": ["to rouse to action or effort, as by encouragement or pressure; spur on; incite :A childhood summer learning program was the first thing to stimulate his interest in mathematics.Synonyms: excite , activate , arouse", "Physiology, Medicine/Medical.to excite (a nerve, gland, etc.) to its functional activity.", "to invigorate (a person) by a food or beverage containing a stimulant such as coffee or tea."]}, {"Bold_text": "verb (used without object)", "List Items": ["to act as a stimulus stimulusor stimulant ."]}]