to rouse to action or effort, as by encouragement or pressure; spur on; incite

to stimulate his interest in mathematics.

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, as coffee, tea, or alcoholic liquor.

to act as a stimulus or stimulant.

verb

calm , depress , discourage

verb

activate , animate , arouse , build a fire under , commove , dynamize , elate , encourage , energize , enliven , exhilarate , fan , fire , fire up , foment , foster , galvanize , get one going , get one started , goad , grab , hook , impel , incite , inflame , innervate , innerve , inspire , instigate , jazz * , juice * , key up , motivate , move , perk , pique , prod , prompt , quicken , rouse , send , set up , spark , spirit , spur , steam up * , stir up , support , trigger , turn on * , urge , vitalize , vivify , wake up , whet , work up * , egg on , excite , prick , propel , set off , touch off , work up , invigorate , brace , jog , pep up , provoke , sting , stir , thrill