Noun

• S: (n) goad, goading, prod, prodding, urging, spur, spurring (a verbalization that encourages you to attempt something) "the ceaseless prodding got on his nerves"

Verb

• S: (v) spur (incite or stimulate) "The Academy was formed to spur research"
• S: (v) spur, goad (give heart or courage to)
• S: (v) spur (strike with a spur)
• S: (v) spur (goad with spurs) "the rider spurred his horse"
• S: (v) spur (equip with spurs) "spur horses"