Definitions of goad:

noun: a verbalization that encourages you to attempt something
noun: a pointed instrument used to prod into motion
verb: prod or urge as if with a log stick
verb: urge with or as if with a goad
verb: goad or provoke,as by constant criticism
verb: give heart or courage to
name: A surname (rare: 1 in 25000 families; popularity rank in the U.S.: #3449)