motive, payer, impulse, urge, impetus, propeller

urgency, insistence, urge, instancy, importunity, pertinacity

urge

urge, insist, press, stickle

urge, arouse, bustle, needle

shove, strain, urge

follow, follow up, pursue, press, go ahead, urge

trigger, move, burn, arouse, outrage, urge

awaken, exhilarate, remind, stimulate, waken, urge

argue, contend, debate, reason, talk over, urge

rush, lunge, dash, surge, scramble, urge