stimulus Synonyms

spur impetus impulse influence stimulator synergist titillation urging urge provocation stimulation stimulating push reason reassurance revival reviver signal inspiration stimulant catalyst motivation straw that stirs the drink reflation shot in the arm spark plug Spurs tittivation incentives motivations propellant motivator motive power input come on aggravator arouser ankus kick in the butt guiding light pick-me-up stimulants propulsion prompting flagellant fillip excitation excitant enticement energizer