A stimulant is a substance that increases alertness, energy, and concentration. The crossword solutions for the term 'stimulant' include INCENTIVE (9 letters), STIMULUS (8 letters), RESTORATIVE (11 letters), BRACER (6 letters), exciter (7 letters), POTION (6 letters), GOAD (4 letters), APHRODISIAC (11 letters), excitant (8 letters), TONIC (5 letters), IMPETUS (7 letters), UPPER (5 letters), turnon (6 letters), and peppill (7 letters). INCENTIVE is something that encourages or motivates someone to do something. STIMULUS is an external factor that influences behavior. RESTORATIVE is something that helps restore health or strength. BRACER is something that invigorates or strengthens. Exciter is something that arouses or stimulates. POTION is a liquid that has magical or medicinal properties. GOAD is something that encourages or urges someone to do something. APHRODISIAC is something that arouses sexual desire. Excitant is something that stimulates or arouses. TONIC is something that invigorates or refreshes. IMPETUS is something that gives an impulse or encourages action. UPPER is a stimulant drug. Turnon is something that arouses or excites. Peppill is something that stimulates or energizes.