Synonyms: stimulate, brace, arouse, energise, energize, perk up
Definition: cause to be alert and energetic
Usage: Coffee and tea stimulate me; This herbal infusion doesn't stimulate
Similar words: affect
Definition: act physically on; have an effect upon
Usage: the medicine affects my heart rate
Synonyms: excite, energise, energize
Definition: raise to a higher energy level
Usage: excite the atoms
Similar words: alter, change, modify
Definition: cause to change; make different; cause a transformation
Usage: The advent of the automobile may have altered the growth pattern of the city; The discussion has changed my thinking about the issue