The term 'SPURS (ON)' can be defined by five different crossword solutions: URGES (5 letters), GOADS (5 letters), GOOSES (6 letters), PRODS (5 letters), and INCITES (7 letters). All of these words refer to the act of encouraging or motivating someone to do something. URGES is an expression of strong desire or wish, GOADS is a verb meaning to provoke or annoy someone into action, GOOSES is a verb meaning to prod or poke someone, PRODS is a verb meaning to urge or incite someone to action, and INCITES is a verb meaning to stir up or rouse someone to action.